CAPITAL RAISE AND WARRANTS FOR COMMON STOCK (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended	12 Months Ended
	Dec. 22, 2019	Nov. 25, 2019	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2019
CAPITAL RAISE AND WARRANTS FOR COMMON STOCK
Number of warrants exercised			(11,293,211)	11,293,211	11,293,211
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.11
Proceeds from Warrant Exercises			$ 11,782	$ 11,782	$ 10,616
Warrants Consecutive Trading Days	10 days
Warrants Weighted Average Price	$ 3.00
Warrant notice price (in dollars per share)	0.001
Exercise price	$ 1.11
New Warrants
CAPITAL RAISE AND WARRANTS FOR COMMON STOCK
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		11,293,211
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 2.15
Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Exercised For Cash		7,350,000
Class of Warrant or Right, Cash Exercise Price of Warrants or Rights		$ 1.00
Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Remaining		3,943,211
Proceeds from Warrant Exercises		$ 7,400			$ 10,600
Shares represented by warrants		11,293,211
Exercise price		$ 2.15
2019 Warrants
CAPITAL RAISE AND WARRANTS FOR COMMON STOCK
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 1.25
Initial exercise period				5 years
Exercise price					$ 1.25