STOCKHOLDERS EQUITY - Common Stock Transaction (Details)		1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 09, 2022 USD ($) $ / shares shares	Oct. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares
Common stock disclosures
Issuance of common stock and warrants in public offerings (in shares)	154,000
Proceeds from issuance of common stock and warrants, net of issuance costs | $				$ 7,962,000
Proceeds from exercise of warrants | $					$ 8,509,000
Number of Warrants			3,064,877	3,064,877
Aggregate number of shares reserved for issuance			3,201,445	3,201,445
Issuance of common stock upon vesting of restricted stock units (in shares)					2
Series A Prefunded Warrants October 2020
Common stock disclosures
Warrants modified		32,000
March 2020 Series A Warrants
Common stock disclosures
Warrants modified		29,091
2018 Warrants
Common stock disclosures
Shares issued on exercise of warrants				0
2018 Warrant Exercise price $6.98
Common stock disclosures
Exercise price (in dollars per unit) | $ / shares			$ 174.53	$ 174.53
Number of Warrants			8,483	8,483
October 2022 Pre-Funded Warrants [Member]
Common stock disclosures
Number of shares into which a warrant may be converted	369,810
Exercise price (in dollars per unit) | $ / shares	$ 5.2499
October 2022 Private Placement Pre-Funded Warrants [Member]
Common stock disclosures
Number of shares into which a warrant may be converted	1,190,476
Preferred Investment Options [Member]
Common stock disclosures
Number of shares into which a warrant may be converted	1,714,286
Exercise price (in dollars per unit) | $ / shares	$ 5.25
Wainwright Preferred Investment Options [Member]
Common stock disclosures
Number of shares into which a warrant may be converted	111,429
Proceeds from issuance of common stock and warrants, net of issuance costs | $	$ 8,000,000.0
2020 Series C Warrants Exercise price $1.62
Common stock disclosures
Exercise price (in dollars per unit) | $ / shares			$ 0.00025	$ 0.00025
Number of Warrants			510	510
Warrants modified		19,048
October 2022 Financing [Member]
Common stock disclosures
Exercise price (in dollars per unit) | $ / shares		$ 5.05
Common Stock
Common stock disclosures
Issuance of common stock and warrants in public offerings (in shares)				154,000
Issuance of common stock upon vesting of restricted stock units (in shares)					2
Fractional shares issued due to 1 for 25 reverse stock split				20,619
Warrant One
Common stock disclosures
Aggregate number of shares reserved for issuance			3,064,877	3,064,877
October 2020 Offering | Common Stock
Common stock disclosures
Proceeds from issuance of common stock and warrants, net of issuance costs | $					$ 8,500,000
October 2020 Offering | Common Stock | Series A Prefunded Warrants October 2020
Common stock disclosures
Issuance of common stock and warrants in public offerings (in shares)					424,829
October 2020 Offering | Common Stock | Placement Agent Warrants
Common stock disclosures
Issuance of common stock and warrants in public offerings (in shares)					488
October 2022 Offering [Member]
Common stock disclosures
Fair value adjustment of warrants | $			$ 100,000
October 2022 Offering [Member] | Contractual term
Common stock disclosures
Warrant expiration term (in years)		5 years
October 2022 Offering [Member] | Expected dividend yield
Common stock disclosures
Fair value assumptions | $ / shares		0
October 2022 Offering [Member] | October 2022 Pre-Funded Warrants [Member]
Common stock disclosures
Fair value of warrants | $		$ 8,200,000
October 2022 Offering [Member] | October 2022 - Preferred Investment Options
Common stock disclosures
Fair value of warrants | $		$ 4,900,000
October 2022 Offering [Member] | October 2022 - Preferred Investment Options | Expected volatility
Common stock disclosures
Fair value assumptions		1.2887
October 2022 Offering [Member] | October 2022 - Preferred Investment Options | Risk-free interest rate
Common stock disclosures
Fair value assumptions		0.0412
October 2022 Offering [Member] | October 2022 - Preferred Investment Options | Contractual term
Common stock disclosures
Warrant expiration term (in years)		5 years 6 months
October 2022 Offering [Member] | October 2022 - Preferred Investment Options | Expected dividend yield
Common stock disclosures
Fair value assumptions | $ / shares		0
October 2022 Offering [Member] | October 2022 Placement Agent Warrants
Common stock disclosures
Fair value of warrants | $		$ 300,000
October 2022 Offering [Member] | October 2022 Placement Agent Warrants | Expected volatility
Common stock disclosures
Fair value assumptions		1.2996
October 2022 Offering [Member] | October 2022 Placement Agent Warrants | Risk-free interest rate
Common stock disclosures
Fair value assumptions		0.0414
October 2022 Offering [Member] | Common Stock | October 2022 Pre-Funded Warrants [Member]
Common stock disclosures
Issuance of common stock and warrants in public offerings (in shares)				884,286