NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS - Computation of potential dilutive outstanding securities diluted net loss per share (Details) - shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock options
NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS
Potential anti-dilutive outstanding securities were excluded	1,307,052	1,322,677	1,000,000
Warrants
NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS
Potential anti-dilutive outstanding securities were excluded	143,044	143,044

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration