Document and Entity Information
Sep. 12, 2019
Document and Entity Information [Abstract]  
Entity Central Index Key 0001001316
Amendment Flag false
Document Type 8-K
Document Period End Date Sep. 12, 2019
Entity Registrant Name TG Therapeutics, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-32639
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
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001
Trading Symbol TGTX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Ex Transition Period false