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Leases - Components of Operating Lease Costs (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Lessee, Lease, Description [Line Items] |  |
Total operating lease costs | $ 321 | $ 340
Month-to-Month Lease Arrangements |  |
Lessee, Lease, Description [Line Items] |  |
Total operating lease costs | 184 | 138
Research and development |  |
Lessee, Lease, Description [Line Items] |  |
Total operating lease costs | 234 | 210
Sales, general and administrative |  |
Lessee, Lease, Description [Line Items] |  |
Total operating lease costs | $ 87 | $ 130

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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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