Document And Entity Information (USD $)	12 Months Ended
	Dec. 31, 2014	Mar. 12, 2015	Jun. 30, 2014
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Entity Registrant Name	TG THERAPEUTICS, INC.
Entity Central Index Key	0001001316
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$ 206,996,000
Trading Symbol	TGTX
Entity Common Stock, Shares Outstanding		46,543,932