NET LOSS PER SHARE APPLICABLE TO COMMON SHAREHOLDERS - Dilutive Securities (Details) - shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
NET LOSS PER SHARE
Potentially dilutive securities	2,734,000	2,751,600
Common stock options
NET LOSS PER SHARE
Common stock purchase warrants	886,000	768,600
Common stock purchase warrants
NET LOSS PER SHARE
Common stock purchase warrants	1,848,000	1,983,000

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration