LICENSE AGREEMENTS (Details) - USD ($) $ in Thousands	1 Months Ended				3 Months Ended		12 Months Ended
	Jul. 31, 2019	Apr. 30, 2018	May 31, 2016	Dec. 31, 2012	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Nov. 30, 2012
License revenue					$ 38	$ 38
Collaboration Agreement [Member]
Manufacturing expense					900
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
Deferred Revenue					700		700
Deferred Revenue, Current					152,000		$ 152,000
TG-1701 [Member]
Upfront fee	$ 100	$ 1,000			350,000
Manufacturing expense					800	$ 0
TG-1801 [Member]
Upfront fee					$ 3,000
Additional payments on achievement of certain milestones								$ 185,000