COMMON STOCK, TRANSACTIONS OTHER (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Common stock disclosure
Stock issued during period, shares, reverse stock splits				7,692
Proceeds from exercise of warrants			$ 8,509	$ 343
2018 Warrants {Member]
Common stock disclosure
Proceeds from exercise of warrants				$ 286
Common Stock
Common stock disclosure
Issuance of stock upon vesting of restricted stock units (in shares)	50	50	50	50