COMMON STOCK, TRANSACTIONS OTHER (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Common stock disclosure
Stock issued during period, shares, reverse stock splits		7,692
Issuance of stock upon vesting of restricted stock units (in shares)	0	0
Proceeds from exercise of warrants	$ 8,509	$ 286
2018 Warrants {Member]
Common stock disclosure
Proceeds from exercise of warrants		$ 286