STOCKHOLDER’S EQUITY - Warrants (Details) - shares		12 Months Ended
	Oct. 06, 2020	Dec. 31, 2020	Dec. 31, 2019
Class of Warrant or Right [Line Items]
Warrants outstanding at beginning of period		197,622	15,107
Issued			182,515
Expired		(15,107)
Exercised		(182,515)
Warrants outstanding at end of period			197,622
Lincoln Park
Class of Warrant or Right [Line Items]
Issued	118,799
Exercised	182,515