SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION - Schedule of Cash Flow Information (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |||
| Accumulated deficit | $ (389,035) | $ (384,451) | |
| Property and equipment purchases in accounts payable | 34 | $ 34 | |
| Common stock issued in exchange for reduction in debt | 0 | 815 | |
| Shares issued to settle extension fees and accrued interest for stand-by letters of credit | 127 | 1,370 | |
| Cash paid for interest | $ 844 | $ 1,434 | |
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- Definition Common Stock Issued In Exchange For Reduction In Debt No definition available.
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- Definition Shares Issued To Settle Extension Fees For Stand By Letters Of Credit No definition available.
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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