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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (889) $ (3,925)
Adjustments to reconcile net loss to net cash flows used in operating activities:    
Depreciation and amortization 938 900
Amortization of operating lease right-of-use asset 211 165
Amortization of finance lease right-of-use asset 127 66
Amortization of deferred financing costs, debt discounts and debt premiums 2 2
Gain on settlement of liability (143)  
Stock-based compensation 1,104 1,054
Value of stock issued in payment of Board fees and consulting services 180 309
Provision for credit losses 55 183
Derecognition of finance lease right-of-use asset and liability (4)  
Derecognition of operating lease right-of-use asset and liability (38)  
Loss on disposal of asset 20  
Changes in operating assets and liabilities:    
Accounts receivable (1,213) 97
Inventories (64) (206)
Other assets (101) 249
Accounts payable 473 55
Operating lease liabilities (152) (166)
Deferred revenue 44 172
Accrued expenses (231) 919
Net cash provided by (used in) operating activities 319 (126)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of property and equipment (251) (179)
Net cash used in investing activities (251) (179)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Principal payments on finance lease obligations (103) (62)
Deposits on finance lease right-of-use assets (20) (28)
Issuance of common stock, net of issuance costs   78
Proceeds from exercise of warrants 1,260  
Proceeds from debt   250
Principal payments on long-term debt (289) (382)
Net cash flows provided by (used in) financing activities 848 (144)
NET CHANGE IN CASH 916 (449)
CASH AT BEGINNING OF PERIOD 1,389 1,502
CASH AT END OF PERIOD 2,305 1,053
SUPPLEMENTAL CASH FLOW INFORMATION    
Cash paid during the period for interest 72 54
SUPPLEMENTAL DISCLOSURE OF CONSULTING SERVICES OR ANY OTHER NON-CASH COMMON STOCK RELATED ACTIVITY    
Purchases of equipment financed through accounts payable 47 24
Prepaid insurance financed with loan   317
Operating lease right-of-use assets obtained in exchange for operating lease obligations 2,248 0
Finance lease right-of-use assets obtained in exchange for finance lease obligations $ 649 $ 205