| Debt, Net - Components of Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024 | 
|---|---|---|
| Debt, net, current: | ||
| Total | $ 29 | $ 54 | 
| Debt, net, non-current: | ||
| Less, debt issuance costs | (249) | (354) | 
| Total | 134,160 | 124,945 | 
| Unamortized discount | 1,407 | |
| Notes payable | ||
| Debt, net, current: | ||
| Debt, gross, current | 29 | 54 | 
| Debt, net, non-current: | ||
| Debt, gross, noncurrent | 0 | 22 | 
| Sprott Credit Agreement | ||
| Debt, net, non-current: | ||
| Debt, gross, noncurrent | 13,592 | 13,087 | 
| Unamortized discount | 1,407 | 1,913 | 
| Subordinated Notes | ||
| Debt, net, non-current: | ||
| Debt, gross, noncurrent | $ 120,817 | $ 112,190 | 
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- Definition Long-term Debt, Gross, Current Maturities No definition available. 
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- Definition Long-term Debt, Gross, Excluding Current Maturities No definition available. 
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- References No definition available. 
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- Definition Amount, after accumulated amortization, of debt discount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- References No definition available. 
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