v3.26.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Cash flows from operating activities:    
Net loss $ (5,162) $ (9,559)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 106
Amortization of operating lease right-of-use asset 329
Stock-based compensation 25 511
Loss on disposals 2,618
Fair value adjustment of warrants (67) 67
Changes in operating assets and liabilities:    
Accounts receivable 928
Prepaid expenses and other current assets 358 343
Other long-term assets 13 163
Accounts payable (537) (1,106)
Accrued expenses and other current liabilities (63) (438)
Operating lease liability (333)
Deferred revenue (4,345)
Net cash used in operating activities (5,433) (10,716)
Cash flows from investing activities:    
Purchases of property and equipment (398)
Net cash used in investing activities (398)
Net decrease in cash, cash equivalents and restricted cash (5,433) (11,114)
Cash, cash equivalents and restricted cash - beginning of period 9,531 20,645
Cash, cash equivalents and restricted cash - end of period 4,098 9,531
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:    
Cash and cash equivalents 4,088 9,521
Long-term restricted cash 10 10
Supplemental disclosures of non-cash investing and financing information:    
Reduction of operating lease right-of-use asset and lease liability upon lease modification $ 8,423