WARRANTS - Stock Warrants Outstanding (Details) - $ / shares	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Class of Warrant or Right [Line Items]
Number of underlying shares (in shares)	249,883	363,963
Weighted-average exercise price (in dollars per share)	$ 15.51	$ 15.82
Issued April 2017
Class of Warrant or Right [Line Items]
Number of underlying shares (in shares)	781	781
Weighted-average exercise price (in dollars per share)	$ 127.95
Remaining contractual life	1 year 6 months 29 days
Acquired October 2020
Class of Warrant or Right [Line Items]
Number of underlying shares (in shares)	29,446	29,446
Weighted-average exercise price (in dollars per share)	$ 0.02
Remaining contractual life	6 years 11 months 26 days
Issued February 2020
Class of Warrant or Right [Line Items]
Number of underlying shares (in shares)	218,050	332,130
Weighted-average exercise price (in dollars per share)	$ 14.44
Remaining contractual life	1 year 4 months 13 days
Issued November 2017
Class of Warrant or Right [Line Items]
Number of underlying shares (in shares)	1,606	1,606
Weighted-average exercise price (in dollars per share)	$ 0.69
Remaining contractual life	1 year 1 month 17 days
Subtotal
Class of Warrant or Right [Line Items]
Number of underlying shares (in shares)	249,102	363,182
Weighted-average exercise price (in dollars per share)	$ 15.15