STOCKHOLDERS' EQUITY - Warrant activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Warrants, Outstanding at Beginning Balance	147,058
Warrants, Issued	0
Warrants, Exercised	0
Warrants, Expired	0
Warrants, Outstanding at Ending Balance	147,058
Weighted - average exercise price of Warrants, Outstanding at Beginning Balance	$ 4.08
Weighted - average exercise price of Warrants, Issued	0
Weighted - average exercise price of Warrants, Exercised	0
Weighted - average exercise price of Warrants, Expired	0
Weighted - average exercise price of Warrants, Outstanding at Ending Balance	$ 4.08
Aggregate Intrinsic Value of Warrants, Outstanding	$ 3,335,275	$ 1,032,347