WARRANTS - Schedule of Warrant Activity (Details) - shares		1 Months Ended		12 Months Ended
	Sep. 28, 2020	Aug. 31, 2020	Jun. 30, 2018	Dec. 31, 2020
Private Placement Warrants - September 2017
Roll forward of warrant activity
Warrant exercised/expired (in shares)	(1,961,000)		(10,600)
Cancellation of warrants (in shares)		5,319
Warrant
Roll forward of warrant activity
Balance at the beginning of the period (in shares)				2,134,362
Warrant exercised/expired (in shares)				(2,134,362)
Balance at the end of the period (in shares)				0
Warrant | Consulting Warrant
Roll forward of warrant activity
Balance at the beginning of the period (in shares)				6,667
Warrant exercised/expired (in shares)				(6,667)
Balance at the end of the period (in shares)				0
Exercise of warrants, cashless (in shares)				6,640
Warrant | Consulting Warrant | Cashless
Roll forward of warrant activity
Warrant exercised/expired (in shares)				(6,667)
Warrant | Financing Warrant
Roll forward of warrant activity
Balance at the beginning of the period (in shares)				62,530
Warrant exercised/expired (in shares)				(62,530)
Balance at the end of the period (in shares)				0
Expiration of warrants (in shares)				62,530
Warrant | Private Placement Warrants - September 2017
Roll forward of warrant activity
Balance at the beginning of the period (in shares)				1,966,319
Warrant exercised/expired (in shares)				(1,966,319)
Balance at the end of the period (in shares)				0
Expiration of warrants (in shares)				1,961,000
Cancellation of warrants (in shares)				5,319
Warrant | Placement Agent Warrants - 2017
Roll forward of warrant activity
Balance at the beginning of the period (in shares)				98,846
Warrant exercised/expired (in shares)				(98,846)
Balance at the end of the period (in shares)				0
Expiration of warrants (in shares)				98,846