Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Nov. 06, 2015
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Entity Registrant Name	TG THERAPEUTICS, INC.
Entity Central Index Key	0001001316
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Trading Symbol	TGTX
Entity Common Stock, Shares Outstanding		52,519,686