v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities    
Net loss $ (10,333) $ (10,688)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 147 146
Interest expense and amortization of debt discount on Term Loans (related party) 1,118
Stock-based compensation for services 76
Amortization of prepaid insurance 463 493
Stock-based compensation 453 306
Loss on offering and change in fair value of private warrant liability (1,167)
Change in fair value of publicly traded warrant liability 154 (162)
Change in fair value of forward purchase agreement warrant liability (10) (458)
Net change in operating lease (related party) 111 51
Change in inventory reserve 26 10
Changes in operating assets and liabilities:    
Accounts receivable, net (15) (5)
Other receivable 2 760
Inventories (59) 111
Prepaid expenses and other assets 40 (42)
Accounts payable (912) (33)
Operating lease liability (related party) (152) (44)
Accrued expenses (247) 312
Product warranty liability (94) (60)
Net cash used in operating activities (11,517) (8,185)
Cash flows from investing activities    
Purchases of property and equipment (6) (7)
Net cash used in investing activities (6) (7)
Cash flows from financing activities    
Payments on insurance financing loans (421) (469)
Proceeds from the issuance of Term Loans (related party) 10,000
Dividends paid to stockholders of Series A Preferred Stock (1,820)
Proceeds from the issuance of Class A Common Stock from ATM offering 204
Proceeds from issuance of Class A Common Stock under employee stock purchase plan 104 77
Proceeds from the issuance of Class A Common Stock, Issued Pre-Funded Warrants, and Series A Warrants 29,997
Offering costs from the issuance of Class A Common Stock, Issued Pre-Funded Warrants, and Series A Warrants (2,215)
Net cash provided by financing activities 27,465 7,992
Effect of exchange rate changes on cash (2) 4
Net increase (decrease) in cash 15,940 (196)
Cash, beginning of period 3,739 5,483
Cash, end of period 19,679 5,287
Supplemental disclosures of cash flow information:    
Cash paid for interest 17 20
Non-cash investing and financing activities:    
Accrued and unpaid dividends on Series A Preferred Stock 2,640 670
Financing of prepaid insurance 69 75
Issuance of Term Loan Warrants (related party) 1,570
Accrued interest capitalized into term loans payable (related party) 600
Property and equipment purchased on account 27
Issuance of Placement Agent Warrants $ 678