v3.26.1
Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:        
Net loss $ (1,036) $ (1,549) $ (2,208) $ (3,357)
Adjustments to reconcile net loss to net cash used in operating activities:        
Stock-based compensation 2 6 5 14
Fair value adjustment of warrants (1) (67)
Changes in operating assets and liabilities:        
Prepaid expenses and other current assets     (330) 82
Other long-term assets     13
Accounts payable     257 (425)
Accrued expenses and other current liabilities     103 44
Net cash used in operating activities     (2,173) (3,696)
Cash flows from financing activities:        
Proceeds from sale of Series B Convertible Preferred Stock     1,000
Series B Convertible Preferred Stock issuance costs     (50)
Cash provided by financing activities     950
Net decrease in cash, cash equivalents and restricted cash     (1,223) (3,696)
Cash, cash equivalents and restricted cash — beginning of period     4,098 9,531
Cash, cash equivalents and restricted cash — end of period 2,875 5,835 2,875 5,835
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:        
Cash and cash equivalents 2,168 5,825 2,168 5,825
Restricted cash 700 700
Long-term restricted cash $ 7 $ 10 7 10
Supplemental non-cash disclosures:        
Accrued dividends on Series B Convertible Preferred Stock     $ 16