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 $ (4,717) $ (2,300)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 99 129
Stock-based compensation 317 266
Change in fair value of warrant liabilities (5) (6)
Inventory write-down 33
Shares issued for services 40
Other (8) (13)
Changes in assets and liabilities    
Accounts receivable 920 (310)
Inventories (573) 783
Prepaid expenses and other (209) (526)
Accounts payable 78 242
Right-of-use assets 38 73
Lease liabilities - operating (65) (43)
Deferred revenue, accrued expenses and other 169 (1,342)
Net cash used in operating activities (3,923) (3,007)
Cash flows from investing activities:    
Purchases of property and equipment (280) (45)
Net cash used in investing activities (280) (45)
Cash flows from financing activities:    
Proceeds from at-the-market sales of stock, net 4,668 1,512
Payment of deferred equity facility costs (50)
Proceeds from option exercises 21 4
Repayment of financing leases (47)
Net cash provided by financing activities 4,639 1,469
Net increase (decrease) in cash and cash equivalents 436 (1,583)
Cash and cash equivalents at beginning of period 2,886 3,344
Cash and cash equivalents at end of period 3,322 1,761
Noncash investing and financing activities:    
Recognition of deferred equity facility costs $ 240