STOCKHOLDERS' EQUITY (DEFICIT) - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 31, 2020	Mar. 31, 2019	Mar. 31, 2020
Class of Stock [Line Items]
Common stock issued, value		$ 32,990
Outstanding warrants to expire in 2022 (in shares)			2,579,420
Common Shares
Class of Stock [Line Items]
Common stock issued (in shares)		17,641,638
Common stock issued, value		$ 2
Board of Directors | Common Shares
Class of Stock [Line Items]
Common stock issued (in shares)	4,431,817
Common stock issued, value	$ 1,000