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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (1,443) $ (884)
Adjustments to reconcile net loss to net cash flows provided by operating activities:    
Depreciation and amortization 281 324
Amortization of operating lease right-of-use asset 115 57
Amortization of finance lease right-of-use asset 61 36
Amortization of deferred financing costs, debt discounts and debt premiums 1  
Stock-based compensation 993 423
Value of stock issued in payment of Board fees and consulting services 53 65
Provision for credit losses 250 (38)
Derecognition of operating lease right-of-use asset and liability   (11)
Changes in operating assets and liabilities:    
Accounts receivable (254) (139)
Inventories 65 (101)
Other assets (2) 73
Accounts payable 231 288
Operating lease liabilities (97) (54)
Deferred revenue (161) 57
Accrued expenses (29) (140)
Net cash provided by (used in) operating activities 64 (44)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of property and equipment (50) (138)
Net cash used in investing activities (50) (138)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Principal payments on finance lease obligations (56) (33)
Proceeds from exercise of stock options 3  
Principal payments on long-term debt (8) (157)
Net cash flows used in financing activities (61) (190)
NET CHANGE IN CASH (47) (372)
CASH AT BEGINNING OF PERIOD 2,651 1,389
CASH AT END OF PERIOD 2,604 1,017
SUPPLEMENTAL CASH FLOW INFORMATION    
Cash paid during the period for interest 26 30
SUPPLEMENTAL DISCLOSURE OF CONSULTING SERVICES OR ANY OTHER NON-CASH COMMON STOCK RELATED ACTIVITY    
Operating lease right-of-use assets obtained in exchange for operating lease obligations $ 0 $ 1,237