v3.19.3
Cover - shares
9 Months Ended
Sep. 30, 2019
Nov. 05, 2019
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 000-30929  
Entity Registrant Name TG THERAPEUTICS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 36-3898269  
Entity Address, Address Line One 2 Gansevoort Street, 9th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10014  
City Area Code 212  
Local Phone Number 554-4484  
Title of 12(b) Security Common Stock, par value $0.001  
Trading Symbol TGTX  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   99,561,434
Security Exchange Name NASDAQ  
Entity Central Index Key 0001001316  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2019