LICENSE AGREEMENTS (Details) $ in Thousands	1 Months Ended				3 Months Ended		9 Months Ended
	Jul. 31, 2019 USD ($)	Apr. 30, 2018 USD ($)	May 31, 2016 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2020 USD ($) item	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) item	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Nov. 30, 2012 USD ($)
License revenue					$ 38	$ 38	$ 114	$ 114
JBET Agreement [Member]
Upfront fee							1,000
Income taxes							177,000
TG-1101 [Member]
Upfront fee			$ 5,000	$ 2,000
Income taxes				$ 300
Term after first commercial sale				15 years
License revenue					38,000	38,000	114,000	114,000
Deferred Revenue					800		800		$ 900
Deferred Revenue, Current					152,000		152,000		$ 152,000
TG-1701 [Member]
Upfront fee	$ 100	$ 1,000					350,000
Manufacturing expense					300	$ 600	2,100	$ 600
Milestone payment made							2,000
TG-1801 [Member]
Upfront fee							3,000
Additional payments on achievement of certain milestones										$ 185,000
TGR-1202 [Member]
Additional payments on achievement of certain milestones					165,000		$ 165,000
Milestone payment made					$ 12,000
Number of oncology indications | item					2		2
Number of non oncology indications | item					1		1
TG 1501 [Member]
Expenses incurred					$ 0		$ 900