v3.26.1
Condensed Statements of Cash Flow (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:    
Net loss $ (2,009) $ (1,536)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 32 34
Issuance of common stock as compensation for services 298
Changes in warranty reserve (450)
Amortization of debt discount of convertible notes 100
Change in fair value of derivative liabilities (287)
Changes in operating assets and liabilities    
Accounts receivable (236) 122
Inventories 193 (99)
Prepaid expenses 16 11
Operating lease right-of-use asset 212 609
Accounts payable (41) 458
Accrued interest added to notes payable-related party 7
Customer deposits 332 31
Accrued expenses and other current liabilities 68 39
Operating lease liability (399) (664)
Net cash provided by (used in) operating activities (2,171) (988)
Cash flows from financing activities:    
Net proceeds from issuance of common stock under ATM facility 2,424
Proceeds from advances from credit facility 505
Proceeds from notes payable-related party 159 160
Proceeds from convertible notes payable, net of original issue discounts 1,136
Repayment of credit facility (1,306)  
Repayment of notes payable (259)
Net cash provided by financing activities 2,154 665
Net decrease in cash and cash equivalents (17) (323)
Cash and cash equivalents, beginning of period 200 498
Cash and cash equivalents, end of period 183 175
Supplemental Cash Flow Information:    
Interest paid 650 381
Supplemental non-cash investing and financing activities:    
Issuance of common stock to director for accrued fees 8
Fair value of embedded conversion feature recognized as derivative liabilities with corresponding debt discount upon issuance of convertible notes $ 1,050