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SUPPLEMENTAL BALANCE SHEET DISCLOSURES - Prepaid expenses and other current assets (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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SUPPLEMENTAL BALANCE SHEET DISCLOSURES |  |
Prepaid expenses | $ 480 | $ 603
Inventory related | 10 | 55
Deferred offering costs |  | 7
Total prepaid expenses and other current assets | $ 490 | $ 665

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- Definition Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 340 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.A) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480341/340-10-S99-1 + Details
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