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FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS (Tables) | 9 Months Ended
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Sep. 30, 2025
FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS |
Schedule of carrying amounts and fair values of financial instruments | The following tables set forth the carrying amounts and fair values of the Company’s financial instruments as of September 30, 2025 and December 31, 2024 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2025
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Fair Value Measurement Based on
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Quoted | ​ | Significant | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Prices In | ​ | Other | ​ | Significant
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Active | ​ | Observable | ​ | Unobservable
​ | ​ | Carrying | ​ | ​ | ​ | ​ | Markets | ​ | Inputs | ​ | Inputs
​ |  | Amount |  | Fair Value |  | (Level 1) |  | (Level 2) |  | (Level 3)
Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market funds (cash equivalents) | ​ | $ | 432 | ​ | $ | 432 | ​ | $ | 432 | ​ | $ | — | ​ | $ | —
Money market funds (restricted cash and cash equivalents) | ​ | $ | 5,500 | ​ | $ | 5,500 | ​ | $ | 5,500 | ​ | $ | — | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2024
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Fair Value Measurement Based on
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Quoted | ​ | Significant | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Prices In | ​ | Other | ​ | Significant
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Active | ​ | Observable | ​ | Unobservable
​ | ​ | Carrying | ​ | ​ | ​ | ​ | Markets | ​ | Inputs | ​ | Inputs
​ | ​ | Amount | ​ | Fair Value | ​ | (Level 1) | ​ | (Level 2) | ​ | (Level 3)
Assets |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Money market funds (cash equivalents) | ​ | $ | 5,200 | ​ | $ | 5,200 | ​ | $ | 5,200 | ​ | $ | — | ​ | $ | —
​

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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