NET LOSS PER COMMON SHARE (Details) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Anti-dilutive
Total potentially dilutive securities (in shares)	14,448,773	3,525,453
Warrants.
Anti-dilutive
Total potentially dilutive securities (in shares)	14,078,349	3,514,180
Stock Options
Anti-dilutive
Total potentially dilutive securities (in shares)	364,022	4,187
Unvested RSUs
Anti-dilutive
Total potentially dilutive securities (in shares)	100	200
Unvested RSAs
Anti-dilutive
Total potentially dilutive securities (in shares)	6,302	6,886