Document And Entity Information
Note To Financial Statement Details Textual
Significant Accounting Policies
Note 1 - Organization and Summary of Significant Accounting Policies
U.S. federal statutory income tax rate
Note 2 - Revenue
Note 3 - Investment Securities
Note 4 - Inventory
Note 5 - Fair Value Measurements
Note 6 - Stockholders' Equity
Note 7 - Loan Payable
Note 8 - Leases
Income Tax Disclosure [Text Block]
Note 9 - Income Taxes
tgtx_LongTermDebtAccretedLiabilityOfFinalPaymentFee
Add: Accreted Liability of final payment fee
Amount of accreted liability of final payment fee.
Note 1 - Organization and Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Securities (Details)
Note 1 - Organization and Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details)
Amortized cost, as adjusted
Note 2 - Revenue - Disaggregation of Revenue (Details)
Note 2 - Revenue - Disaggregation of Revenue By Product and Geography (Details)
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 2 - Revenue - Schedules of Concentration of Risk (Details)
Schedule of Debt [Table Text Block]
Note 3 - Investment Securities - Schedule of Investment Securities (Details)
Note 4 - Inventory - Schedule of Inventory (Details)
Note 5 - Fair Value Measurements - Schedule of Fair Value Measurements (Details)
Other current liabilities
Note 6 - Stockholders' Equity - Summary of Activity for Restricted Stock (Details)
Note 6 - Stockholders' Equity - Summary of Activity for Stock Options (Details)
Note 7 - Loan Payable - Schedule of Loan Payable (Details)
Note 8 - Leases - Schedule of Lease Cost (Details)
tgtx_AverageAnnualRentalPayments
Average Annual Rental Payments
Average Annual Rental Payments.
Note 8 - Leases - Schedule of Classification of Lease Liabilities (Details)
Deposit for Office Agreement [Member]
Deposit for Office Agreement.
Note 9 - Income Taxes - Income Before Taxes (Details)
The North Carolina Lease [Member]
The North Carolina Lease.
Note 9 - Income Taxes - Components of Income Tax Provision (Details)
Note 9 - Income Taxes - Reconciliation of Income Tax (Details)
Note 9 - Income Taxes - Cash Taxes Paid (Details)
Note 9 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)
Office Agreement with Fortress Biotech [Member]
Office Agreement with Fortress Biotech.
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Notes To Financial Statements
tgtx_PercentageOfOccupancy
Percentage of Occupancy
Represents the percentage of square footage occupied.
Notes To Financial Statements [Abstract]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Granted, weighted average grant date fair value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Vested, weighted average grant date fair value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Forfeited, weighted average grant date fair value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Outstanding, weighted average grant date fair value (in dollars per share)
Outstanding, weighted average grant date fair value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Forfeited (in shares)
Schedule of Balance Sheet Classification of Operating Lease [Table Text Block]
Tabular disclosure for balance sheet classification of lease liabilities.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)
Outstanding (in shares)
Outstanding (in shares)
Accrued compensation
Proceeds from maturity of held-to-maturity securities
us-gaap_CostsAndExpensesRelatedParty
Costs and Expenses, Related Party
US Government Agencies Debt Securities [Member]
License Agreement Disclosure [Text Block]
The entire disclosure for research, development, and License Agreement activities, including contracts and arrangements to be performed for others and with federal government.
Granted (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Granted (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested (in shares)
Vested (in shares)
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
tgtx_LicenseAndCollaborationAgreementExpensesIncurred
License And Collaboration Agreement, Expenses Incurred
The amount of expenses incurred under the license and collaboration agreement.
L F B License Agreement [Member]
LFB license agreement.
Issuance of common stock in connection with cashless exercise of warrants
Value of stock issued during the period for the cashless exercise of warrants.
us-gaap_LoansPayableCurrent
Less: current portion
Issuance of common stock in connection with cashless exercise of warrants (in shares)
The number of shares issued during the period for the cashless exercise of warrants.
Exercisable, weighted average exercise price (in dollars per share)
Exercisable, weighted average remaining term (Year)
tgtx_RoyaltyPercentageOnNetProductSales
Royalty Percentage on Net Product Sales
Royalty percentage on net product sales.
Exercisable, intrinsic value
tgtx_AdditionalAmountReceivableOnAchievementOfPrespecifiedMilestones
Additional Amount Receivable on Achievement of Pre-specified Milestones
Reflects potential milestone payments to be received upon achievement of pre-specified milestone.
Sublicense Agreement With Ildong Pharmaceutical Co [Member]
Sublicense Agreement With Ildong Pharmaceutical Co LtD
Exercisable (in shares)
tgtx_TermAfterFirstCommercialSale
Term After First Commercial Sale (Year)
Represents the term after the first commercial sale.
tgtx_UpfrontFeeReceivedFromSubLicense
Upfront Fee Received From Sub License
Represents amount received for sub license.
Outstanding, weighted average remaining term (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Outstanding, intrinsic value
Outstanding, intrinsic value
tgtx_LicenseRevenue
License Revenue
Amount of license revenue recorded during the period.
us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent
Equity Securities, FV-NI
us-gaap_PaymentsToAcquireHeldToMaturitySecurities
Investment in held-to-maturity securities
Financial Instruments [Domain]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Accounts payable and accrued expenses
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
Forfeited, weighted average exercise price (in dollars per share)
Expired, weighted average exercise price (in dollars per share)
Financial Instrument [Axis]
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Granted, weighted average exercise price (in dollars per share)
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Exercised, weighted average exercise price (in dollars per share)
Lessee, Operating Leases [Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)
Outstanding (in shares)
Outstanding (in shares)
Expired (in shares)
Expired (in shares)
Provision-to-return
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to provision-to-return.
us-gaap_PolicyTextBlockAbstract
Accounting Policies
tgtx_DeferredTaxAssetsExcludingValuationAllowance
Net deferred tax assets, excluding valuation allowance
Amount before allocation of valuation allowances of net deferred tax assets and liabilities attributable to deductible temporary differences and carryforwards.
us-gaap_NotesIssued1
Notes Issued
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchases of Property, Plant and Equipment
NONCASH TRANSACTIONS
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
Weighted-average shares outstanding:
us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss
Change in fair value of equity investments
Cash paid for income taxes, net of refunds received
us-gaap_IncomeTaxesPaidNet
Income taxes
Deferred Financing Costs
The amount of deferred financing costs classified as noncash.
Current liabilities:
tgtx_WarrantsIssuedWithDebtFinancingNoncash
Warrants issued with debt financing
The amount of warrants issued with debt financing classified as noncash.
Decrease in lease liabilities
Product [Member]
Cash paid for:
us-gaap_Assets
Total assets
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Plan Name [Axis]
Customer One [Member]
Represents customer one.
Shareholders' Equity and Share-Based Payments [Text Block]
Plan Name [Domain]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
Customer Three [Member]
Represents customer three.
Customer Two [Member]
Represents customer two.
Customer Four [Member]
Represents customer four.
Deferred tax assets
Award Type [Domain]
tgtx_DebtInstrumentTermSofrMinimum
Debt Instrument, Term SOFR, Minimum
Minimum Term SOFR required under debt instrument.
tgtx_DebtInstrumentPricingGridPercentageForBorrowing
Debt Instrument, Pricing Grid, Percentage for Borrowing
Represents pricing grid under debt instrument as percentage for borrowing.
Effective Income Tax Rate Reconciliation [Table]
tgtx_DebtInstrumentUncommittedAdditionalBorrowingFacilityPrincipal
Debt Instrument, Uncommitted Additional Borrowing Facility, Principal
Principal amount of additional borrowing facility available under debt instrument.
Award Type [Axis]
Initial Term Loan [Member]
Represents initial term loan.
Net income
Net income
Net income
tgtx_DebtInstrumentPricingGridStepdownUponAchievementOfSpecificThresholdPercentage
Debt Instrument, Pricing Grid, Step-down Upon Achievement of Specific Threshold, Percentage
Represents step-down upon achievement of specific threshold under debt instrument for pricing grid as percentage.
Restricted Stock [Member]
us-gaap_PaymentsToAcquireEquitySecuritiesFvNi
Payments to Acquire Equity Securities, FV-NI
Investment in equity investments
Convertible Debt Securities [Member]
Share-Based Payment Arrangement, Option [Member]
Warrant [Member]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Regulated Operation, Inventory [Table]
Commitments and Contingencies Disclosure [Text Block]
California Franchise Tax Board [Member]
Research and development:
Strategic Platform License Agreement with MaxCyte, Inc. [Member]
Represents Strategic Platform License Agreement with MaxCyte, Inc.
CASH FLOWS FROM INVESTING ACTIVITIES
tgtx_LicenseAgreementTerm
License Agreement, Term (Year)
Term of the license agreement.
tgtx_LicensingAgreementAnnualLicenseFee
Licensing Agreement, Annual License Fee
Amount of annual license fee under licensing agreement.
tgtx_LicenseAgreementWrittenNoticePeriod
License Agreement, Written Notice Period (Day)
Period for written notice under license agreement.
tgtx_LicenseAgreementRenewalTerm
License Agreement, Renewal Term (Year)
Renewal term of license agreement.
Increase in accounts payable and accrued expenses
us-gaap_DeferredFinanceCostsGross
Debt Issuance Costs, Gross
Related Party Transactions Disclosure [Text Block]
us-gaap_IncomeTaxExpenseBenefit
Income Tax Expense (Benefit)
Income tax benefit (expense)
Income tax (benefit) expense
us-gaap_IncomeTaxPaidFederalAfterRefundReceived
Federal
us-gaap_DebtInstrumentTerm
Debt Instrument, Term (Year)
State
us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived
us-gaap_RestrictedCash
Restricted Cash
Officer compensation limit, amount
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to officer compensation limitation.
Foreign
us-gaap_IncomeTaxPaidForeignAfterRefundReceived
Cash and cash equivalents
Interest expense
Royalty [Member]
us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
Gross unrealized holding losses
(Decrease) increase in other current liabilities
Gross unrealized holding gains
us-gaap_DebtInstrumentConvertibleConversionPrice1
Debt Instrument, Convertible, Conversion Price (in dollars per share)
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
us-gaap_RoyaltyExpense
Royalty Expense
Amendment Flag
tgtx_LicenseAgreementPaymentPercentageOfWeightedAverageSharePrice
License Agreement, Payment, Percentage of Weighted Average Share Price
Percentage of weighted average share price on payment under license agreement.
City Area Code
tgtx_LicenseAgreementSharePriceTradingDays
License Agreement, Share Price, Trading Days (Day)
Number of trading days for share price under license agreement.
Use of Estimates, Policy [Policy Text Block]
Precision BioSciences, Inc. [Member]
Represents Precision BioSciences, Inc.
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment
New Accounting Pronouncements, Policy [Policy Text Block]
Milestone [Member]
Represents milestone.
Reverse Stock Split [Member]
Represents the reverse stock split.
Forfeiture of restricted stock
Forfeiture of restricted stock
Repurchase of common stock (in shares)
Treasury Stock, Shares, Acquired (in shares)
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common stock, outstanding (in shares)
Current Fiscal Year End Date
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Operating Lease, Weighted Average Discount Rate, Percent
Document Fiscal Period Focus
tgtx_LicenseAgreementMilestoneStockPayment
License Agreement, Milestone Stock Payment
Amount of milestone stock payment for license agreement.
us-gaap_OperatingLeaseCost
Operating Lease, Cost
Document Fiscal Year Focus
tgtx_LicenseAgreementPercentageOfPremiumOnEquityInvestment
License Agreement, Percentage of Premium on Equity Investment
Percentage of premium on equity investment under license agreement
Lease, Cost [Table Text Block]
Document Period End Date
us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1
Operating Lease, Weighted Average Remaining Lease Term (Year)
Entity File Number
Entity Emerging Growth Company
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Document Type
us-gaap_GainsLossesOnExtinguishmentOfDebt
Gain (Loss) on Extinguishment of Debt
Loss on extinguishment of debt
Interim Period, Costs Not Allocable [Domain]
Entity Small Business
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
Nature of Expense [Axis]
us-gaap_AreaOfRealEstateProperty
Area of Real Estate Property (Square Foot)
Entity Public Float
Entity Filer Category
Debt Instrument [Axis]
Entity Current Reporting Status
Debt Instrument, Name [Domain]
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
Variable Rate [Domain]
Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Award Timing MNPI Disclosure [Text Block]
Warrants issued with debt financing
Short-Term Investments [Member]
Variable Rate [Axis]
Debt Securities, Held-to-Maturity [Table Text Block]
us-gaap_IncreaseDecreaseInAccountsReceivable
Increase in accounts receivable
Concentration Risk
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
Entity Tax Identification Number
Entity Central Index Key
Insider Trading Policies and Procedures [Line Items]
Entity Registrant Name
Compensation in respect of restricted stock granted to employees, directors and consultants
ecd_InsiderTrdPoliciesProcAdoptedFlag
Insider Trading Policies and Procedures Adopted [Flag]
Entity [Domain]
Legal Entity [Axis]
Customer Concentration Risk [Member]
Entity Address, Address Line One
Offering costs
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
us-gaap_TreasuryStockValueAcquiredCostMethod
Treasury Stock, Value, Acquired, Cost Method
Repurchase of common stock
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Entity Address, Postal Zip Code
Entity Address, State or Province
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Concentration Risk Type [Axis]
Material Terms of Trading Arrangement [Text Block]
us-gaap_TreasuryStockValue
Treasury Stock, Value
Treasury stock, at cost, 3,543,643 and 367,903 shares at December 31, 2025 and December 31, 2024
Concentration Risk Type [Domain]
Entity Common Stock, Shares Outstanding
Trading Arrangements, by Individual [Table]
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Revenue Benchmark [Member]
Accounts Receivable [Member]
us-gaap_IncreaseDecreaseInOtherCurrentAssets
Increase in other current assets
Long-Term Debt [Text Block]
Investments [Domain]
us-gaap_IncreaseDecreaseInInventories
Increase in inventory
Trading Symbol
Nature of Operation, Product Information, Concentration of Risk [Table]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Investment Type [Axis]
Local Phone Number
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Issuance of common stock in connection with exercise of options (in shares)
Exercised (in shares)
us-gaap_TableTextBlock
Notes Tables
Issuance of restricted stock (in shares)
us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
Forfeiture of restricted stock (in shares)
Issuance of common stock in connection with exercise of options
Issuance of restricted stock
Other selling, general and administrative
us-gaap_SellingGeneralAndAdministrativeExpense
Total selling, general and administrative
Secured Overnight Financing Rate (SOFR) [Member]
Granted (in shares)
Granted (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeited (in shares)
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Amortization of leasehold interest
The aggregate expense charged against earnings to allocate the cost of leasehold interest.
Issuance of common stock (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
us-gaap_RestrictedCashAndInvestments
Restricted Cash and Investments
Selling, general and administrative:
Estimated fair value
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Issuance of common stock
UNITED STATES
us-gaap_DebtInstrumentRepaidPrincipal
Less: principal payments
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Capitalized R&D Expenses
Deferred Tax Assets, Capitalized Research and Development.
Accumulated deficit
Retained Earnings (Accumulated Deficit)
us-gaap_ResearchAndDevelopmentExpense
Total research and development
Cash and Cash Equivalents [Domain]
Schedule of Investments [Table]
Changes in assets and liabilities:
Reconciliation to amounts on consolidated balance sheets:
Amortization of debt issuance costs
Restricted Cash and Cash Equivalents [Axis]
us-gaap_NotesPayableFairValueDisclosure
5% Notes
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Inventory Disclosure [Text Block]
Lease liability non-current
Lease liability – non-current
Schedule of Inventory, Current [Table Text Block]
Restricted cash
Present value of lease liabilities(*)
us-gaap_OperatingLeaseLiability
Operating Lease, Liability
Total lease liability
Lease liability current portion
Lease liability – current portion
Right of use assets
Operating Lease, Right-of-Use Asset
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total lease payments
us-gaap_UnamortizedDebtIssuanceExpense
Less: unamortized debt issuance costs
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less: interest
us-gaap_DeferredIncomeTaxExpenseBenefit
Deferred income taxes
Total deferred tax (benefit) expense
2028
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
2029
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour
us-gaap_OperatingLeasePaymentsUse
Operating Lease, Payments, Use
2026
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2027
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
Segment Reporting, Policy [Policy Text Block]
Noncash stock compensation expense
Other noncurrent assets
Lessee, Leases [Policy Text Block]
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life (Year)
Earnings Per Share, Policy [Policy Text Block]
us-gaap_AmortizationOfFinancingCostsAndDiscounts
Amortization of Debt Issuance Costs and Discounts
us-gaap_Revenues
Revenues
Income Tax, Policy [Policy Text Block]
us-gaap_AssetsFairValueDisclosure
Total Assets
tgtx_ForwardContractLiabilities
Forward Contract Liabilities
Represents the amount of forward contract liabilities.
us-gaap_LesseeOperatingLeaseTermOfContract
Lessee, Operating Lease, Term of Contract (Year)
us-gaap_LesseeOperatingLeaseRenewalTerm
Lessee, Operating Lease, Renewal Term (Year)
Research and Development Expense, Policy [Policy Text Block]
Long-term investment securities
us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Stockholders' Equity Note, Stock Split, Conversion Ratio
Depreciation and amortization
us-gaap_LiabilitiesFairValueDisclosure
Total
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
Long-term Inventory
Inventory, Noncurrent
us-gaap_AssetsCurrent
Total current assets
Share-Based Payment Arrangement [Policy Text Block]
Other research and development
Fair Value Measurement Inputs and Valuation Techniques [Table]
Treasury stock, shares (in shares)
Treasury Stock, Common, Shares (in shares)
Balance (in shares)
Balance (in shares)
Common stock, $0.001 par value per share (190,000,000 and 190,000,000 shares authorized, 158,849,596 and 156,204,159 shares issued, 155,305,953 and 155,836,256 shares outstanding at December 31, 2025 and December 31, 2024, respectively)
Adjustments to reconcile net income to net cash used in operating activities:
Common stock, authorized (in shares)
Common Stock, Shares Authorized (in shares)
Common stock, issued (in shares)
Office Agreement [Member]
Represents office agreement.
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share (in dollars per share)
Stockholders' Equity, Policy [Policy Text Block]
us-gaap_DeferredTaxAssetsValuationAllowance
Deferred Tax Assets, Valuation Allowance
Less valuation allowance
Statistical Measurement [Domain]
Lessee, Lease, Description [Table]
Maximum [Member]
Minimum [Member]
Product and Service [Axis]
Other current assets
Product and Service [Domain]
us-gaap_DeferredTaxAssetsNet
Net deferred tax assets
Statistical Measurement [Axis]
Investment, Name [Domain]
Market-based Restricted Stock [Member]
Represents the market-based restricted stock.
Interest
Investment, Name [Axis]
Other
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]
Geographical [Axis]
Schedule of Revenue by Major Customers, by Reporting Segments [Table]
us-gaap_DeferredTaxAssetsGross
Gross deferred tax assets
Geographical [Domain]
us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Authorized (in shares)
Inventory
us-gaap_PreferredStockParOrStatedValuePerShare
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
us-gaap_InventoryValuationReserves
Inventory Valuation Reserves
Inventory Reserve
Fair Value, Inputs, Level 3 [Member]
Fair Value Hierarchy and NAV [Domain]
Customer [Axis]
Customer [Domain]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value Hierarchy and NAV [Axis]
Increase in deferred revenue
CASH FLOWS FROM OPERATING ACTIVITIES
Revenue [Policy Text Block]
Statement [Line Items]
Accounts receivable, net
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Noncash compensation
us-gaap_CashCashEquivalentsAndShortTermInvestments
Cash, Cash Equivalents, and Short-Term Investments
Additional paid-in capital
Equity, Capital Unit or Share [Table]
Revenue:
Short-term investment securities
us-gaap_EquityMethodInvestmentsFairValueDisclosure
Equity Method Investments, Fair Value Disclosure
Stockholders’ equity:
us-gaap_OtherNonoperatingIncomeExpense
Other income
us-gaap_NonoperatingIncomeExpense
Total other expense
Net operating loss carryforwards
Research and development credit
Current assets:
Fair Value Disclosures [Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Total cash, cash equivalents and restricted cash
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD
Inventory, Policy [Policy Text Block]
us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium
Amortization of discount on investment securities
License [Member]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH
The 2025 Share Repurchase Program [Member]
The 2025 Share Repurchase Program
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash (used in) provided by financing activities
us-gaap_Liabilities
Total liabilities
Commitments and contingencies
Sale of Stock [Axis]
Sale of Stock [Domain]
us-gaap_OperatingIncomeLoss
Operating income
Other expense (income):
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash used in operating activities
us-gaap_DeferredTaxLiabilitiesOther
Other
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash provided by (used in) investing activities
Base Rate [Member]
Cost of revenue
Change in inventory reserve
Inventory Write-down
Investment, Policy [Policy Text Block]
us-gaap_AccountsPayableCurrentAndNoncurrent
Accounts Payable
Concentration Risk, Credit Risk, Policy [Policy Text Block]
us-gaap_PaymentsForRepurchaseOfEquity
Purchase of treasury stock
us-gaap_CostsAndExpenses
Total costs and expenses
us-gaap_AccruedRoyaltiesCurrentAndNoncurrent
Accrued Royalties
Costs and expenses:
Cost of Goods and Service [Policy Text Block]
Retained Earnings [Member]
Revenue
Revenue
Proceeds from exercise of options
us-gaap_TreasuryStockAcquiredAverageCostPerShare
Shares Acquired, Average Cost Per Share (in dollars per share)
Issuance of common stock, net
Proceeds from Issuance of Common Stock
State
State
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Treasury Stock, Common [Member]
us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Share Repurchase Program, Remaining Authorized, Amount
Foreign
Foreign
us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Additional Paid-in Capital [Member]
Federal
Common Stock [Member]
Federal
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Deferred:
After 2030
tgtx_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour
Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Equity Components [Axis]
Equity Component [Domain]
tgtx_EffectiveIncomeTaxRateReconciliationTaxCreditChangeInValuationAllowanceAmount
Changes in valuation allowance, amount
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the change in valuation allowance for tax credits.
Current:
Accounts Payable and Accrued Liabilities [Member]
us-gaap_CurrentIncomeTaxExpenseBenefit
Total current tax expense
us-gaap_LoansPayable
Total loan payable
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)
Class of Warrant or Right [Axis]
Class of Warrant or Right [Domain]
Officer compensation limit, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to officer compensation limits.
Foreign
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
tgtx_EffectiveIncomeTaxRateReconciliationTaxCreditChangeInValuationAllowancePercent
Changes in valuation allowance, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the change in valuation allowance for tax credits.
Limitation to tax attribute utilization, amount
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the limitation to tax attribute utilization.
Mississippi Department of Revenue [Member]
Mississippi Department of Revenue
Income before income taxes, as reported in the consolidated statements of operations
Net income before taxes
Kentucky Department of Revenue [Member]
Kentucky Department of Revenue
Other State Departments of Revenue [Member]
Other State Departments of Revenue
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)
Domestic
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Tennessee Department of Revenue [Member]
Tennessee Department of Revenue
Schedule of Cash Taxes Paid [Table Text Block]
Schedule of cash taxes paid.
Limitation to tax attribute utilization, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the limitation to tax attribute utilization.
Deferred revenue - current portion
us-gaap_PaymentsOfFinancingCosts
Financing costs paid
Deferred revenue, non-current portion
ICFR Auditor Attestation Flag
tgtx_OperatingLossCarryforwardTaxExpenseAllowance
Operating Loss Carryforward, Tax Expense Allowance
The tax expense recorded for operating loss carryforward limitations.
At the Market Offerings [Member]
At the Market Offerings.
tgtx_InventoryTotalGross
Inventory, gross
Gross total inventory.
tgtx_InventoryTotalNet
Inventory, net
Total net inventory.
Work in Process
Gross inventory work-in-process.
Raw Materials
Gross raw materials.
Income Tax Authority, Name [Axis]
us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Income Tax Authority, Name [Domain]
us-gaap_DeferredRevenue
Deferred Revenue
tgtx_PolicyTable
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Disaggregation of Revenue [Table Text Block]
Domestic Tax Jurisdiction [Member]
Disaggregation of Revenue [Table]
Finished Goods
Gross inventory finished goods.
Revenue from Contract with Customer [Text Block]
Document Annual Report
Accounts Receivable [Policy Text Block]
Cash and Cash Equivalents, Policy [Policy Text Block]
Statement of Financial Position Location, Balance [Axis]
Statement of Financial Position Location, Balance [Domain]
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Entity Incorporation, State or Country Code
us-gaap_DebtInstrumentCarryingAmount
Long-Term Debt, Gross
Accounting Policies [Abstract]
Document Transition Report
Document Financial Statement Error Correction [Flag]
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Entity Interactive Data Current
Security Exchange Name
Milestone Based Restricted Stock [Member]
Milestone Based Restricted Stock.
Title of 12(b) Security
tgtx_NonCashCompensationSellingGeneralAndAdministrativeExpenses
Noncash compensation
The aggregate compensation expense related to the grants of stock options and restricted stock that is attributable to selling general and administrative expenses during the reporting period.
Noncash compensation
The aggregate compensation expense related to the grants of stock options and restricted stock that is attributable to research and development expenses during the reporting period.
Nonmonetary Transaction Type [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Payment of loan payable
Accounts and Financing Receivables [Table]
Nonmonetary Transaction Type [Axis]
Auditor Name
Auditor Firm ID
Auditor Location
Stock-based Compensation Expense Capitalized Into Inventory [Member]
Represent stock-based compensation expense that was capitalized into inventory.
Dilutive effect of potential common shares (in shares)
us-gaap_TaxCreditCarryforwardAmount
Tax Credit Carryforward, Amount
tgtx_ChangeInFairValueOfNotesPayable
Change in fair value of notes payable
The change in fair value of notes payable during the period.
Research Tax Credit Carryforward [Member]
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Potentially dilutive securities excluded from calculation (in shares)
us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted (in shares)
Weighted-average common shares outstanding assuming dilution (in shares)
us-gaap_PurchaseObligation
Purchase Obligation
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name [Domain]
tgtx_LicenseAndCollaborationAgreementsOnetimeNonrefundablePayment
License and Collaboration Agreements, One-time, Non-refundable Payment
The amount of a one-time, non-refundable payment made in accordance with commercialization agreements.
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Briumvi Ublituximab [Member]
Represents Briumvi Ublituximab.
Commercialization Agreement With Neuraxpharm [Member]
Represents Commercialization Agreement With Neuraxpharm.
us-gaap_PurchaseObligationDueInSecondYear
Purchase Obligation, to be Paid, Year Two
Statement [Table]
us-gaap_PurchaseObligationDueInThirdYear
Purchase Obligation, to be Paid, Year Three
Statement of Financial Position [Abstract]
Diluted (in dollars per share)
Net income per share - diluted (in dollars per share)
Weighted-average common shares outstanding (in shares)
Basic (in shares)
Other tax adjustments, percent
Manhattan and Ariston Pharmaceuticals Merger [Member]
Represents Manhattan and Ariston Pharmaceuticals Merger.
Warrants to Purchase Common Stock, First Amendment Loan Agreement [Member]
Warrants to Purchase Common Stock as part of the first amended loan agreement.
us-gaap_PurchaseObligationDueInNextTwelveMonths
Purchase Obligation, to be Paid, Year One
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Tax effect and effective tax rate, percent
tgtx_GrossNetAccruals
Gross Net Accruals
Gross net accruals.
Business Combination [Axis]
Basic (in dollars per share)
Net income per share - basic (in dollars per share)
Unvested Restricted Stock [Member]
Represents Unvested Restricted Stock.
Business Combination [Domain]
Long Term Investments [Member]
Long Term Investments.
Net income per common share:
The 2022 Incentive Plan [Member]
Represents The 2022 Incentive Plan.
Statement of Cash Flows [Abstract]
The 2012 Incentive Plan [Member]
Represents the 2012 incentive plan.
Statement of Stockholders' Equity [Abstract]
tgtx_ProceedsFromIssuanceOfCommonStockNet
Proceeds from Issuance of Common Stock, Net
The cash inflow from the additional capital contribution to the entity net of any commissions or fees.
The 2022 ATM [Member]
Represents the 2022 ATM.
Income Statement [Abstract]
tgtx_LicenseAgreementAmountPaidUpfrontEquityInvestment
License Agreement, Amount Paid Upfront, Equity Investment
The equity investment portion of the amount paid upfront for license agreement.
tgtx_LicenseAgreementAmountPaidUpfrontCash
License Agreement, Amount Paid Upfront, Cash
The cash portion of the amount paid upfront for license agreement.
tgtx_LicenseAgreementAdditionalMilestonePayments
License Agreement, Additional Milestone Payments
Represents additional milestone payments for license agreement.
us-gaap_LesseeOperatingLeaseRemainingLeaseTerm
Lessee, Operating Lease, Remaining Lease Term (Year)
tgtx_LicenseAgreementDeferredPayment
License Agreement, Deferred Payment
Represents the deferred payment for license agreement.
Warrants to Purchase Common Stock, Amended Loan Agreement [Member]
Warrants to Purchase Common Stock as part of amended loan agreement.
Proceeds from debt financings
Precision License Agreement [Member]
Represents the precision license agreement.
tgtx_LicenseAgreementAmountPaidUpfront
License Agreement, Amount Paid Upfront
Represents the amount paid upfront for a license agreement.
Warrants to Purchase Common Stock, First Amendment [Member]
Warrants to Purchase Common Stock as part of first amendment.
tgtx_ProductSalesNetRelatedToPerformanceObligations
Product Sales, Net Related to Performance Obligations
Represents product sales, net related to performance obligations.
Other Revenue [Member]
Represents other revenue.
License Revenue [Member]
Represents license revenue.
Worldwide [Member]
Represents worldwide.
International [Member]
Represents international.
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Disaggregation of Revenue by Product and Geography [Table Text Block]
Tabular disclosure of disaggregation of revenue into categories of product and geography.
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Other nondeductible, percent
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
tgtx_InvestmentPurchasedBalanceShares
Investment Purchased Balance Shares (in shares)
Represents investment purchased balance in shares.
Excess tax benefit on stock-based compensation, percent
Accounting Standards Update and Change in Accounting Principle [Table]
srt_StockRepurchaseProgramAuthorizedAmount1
Share Repurchase Program, Authorized, Amount
tgtx_InvestmentPurchasedBalancePricePerShare
Investment Purchased Balance Price Per Share (in dollars per share)
Represents investment purchased balance, price per share.
Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]
Share Repurchase Program [Domain]
Share Repurchase Program [Axis]
State and local income tax, net of federal income tax effect (a), percent
Other Commitments [Table]
us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
Research and development (R&D) tax credit, percent
Other tax adjustments, amount
Other
CASH FLOWS FROM FINANCING ACTIVITIES
Liquidity and Capital Resources Policy [Policy Text Block]
Disclosure of the accounting policy for liquidity and capital resources.
U.S. federal statutory income tax rate, percent
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Change in state tax rates
Prior period state tax benefit
us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Change in the balance of the valuation allowance for deferred tax assets
tgtx_LongtermDebtBeforeRepayments
Long-term Debt, Before Repayments
Represents the value of long-term debts before before repayments.
License Agreement Terms [Member]
Research and Development Arrangement, Contract to Perform for Others, Type [Axis]
Research and Development Arrangement, Contract to Perform for Others, Type [Domain]
Noncash change in lease liability and right of use asset
us-gaap_StockholdersEquity
Total stockholders’ equity
Balance
Balance
Other nondeductible, amount
Class of Stock [Axis]
Loan payable – non-current
Excess tax benefit on stock-based compensation, amount
Stock options
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
us-gaap_LongTermLoansPayable
Loan payable non-current
The First Amendment Term Loan [Member]
The First Amendment Term Loan.
State and local income tax, net of federal income tax effect, amount
us-gaap_IncomeTaxReconciliationTaxCreditsResearch
Research and development (R&D) tax credit, amount
Research and development credits