NET LOSS PER SHARE - Potentially dilutive shares (Details) - shares	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
NET LOSS PER SHARE
Total potentially dilutive shares	750,918	575,952	750,918	715,987
Warrants
NET LOSS PER SHARE
Total potentially dilutive shares	522,008	264,379	522,008	404,414
Preferred shares on an as-converted-into-common-stock basis
NET LOSS PER SHARE
Total potentially dilutive shares	16,743	133,086	16,743	133,086
Stock options
NET LOSS PER SHARE
Total potentially dilutive shares	212,167	178,487	212,167	178,487

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