LICENSE AGREEMENTS (Details)		1 Months Ended			12 Months Ended
	Mar. 01, 2019 shares	Jul. 31, 2019 USD ($)	May 31, 2016 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2021 USD ($) item shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Nov. 30, 2012 USD ($)
Shares issued | shares	4,100,000
Income taxes					$ 0	$ 0	$ 0
Revenue					6,689,000	152,000	152,000
Eligible payments to be received					198,532,000	151,934,000	148,269,000
Collaboration Agreement [Member]
Manufacturing expense					100,000	1,100,000	4,100,000
JBET Agreement [Member]
Upfront fee					1,000,000.0
Income taxes					177,000,000
TG-1101 [Member]
Upfront fee			$ 5,000,000.0	$ 2,000,000.0	$ 2,000,000	2,000,000
Income taxes				$ 300,000
Term after first commercial sale				15 years	15 years
Deferred Revenue					$ 600,000	800,000
Deferred Revenue, Current					200,000	$ 200,000	$ 200,000
Additional payments on achievement of certain milestones					31,000,000.0
Expenses incurred					7,000,000.0
TG-1701 [Member]
Upfront fee		$ 100,000			350,000,000
TG-1801 [Member]
Additional payments on achievement of certain milestones								$ 185,000,000
TGR-1202 [Member]
Upfront fee					$ 4,000,000.0
Shares issued | shares					371,530
Additional payments on achievement of certain milestones					$ 175,000,000
Milestone payment made					$ 12,000,000.0
Number of oncology indications | item					2
Number of non oncology indications | item					1
Royalty Expense					$ 500,000
Expenses incurred					$ 200,000