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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited Consolidated Condensed) (Not Reviewed) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating activities:    
Net income (loss) $ (1,120) $ 3,577
Adjustments to reconcile net income (loss) to cash used in operating activities:    
Depreciation and amortization 636 451
Stock-based compensation 162 247
Changes in assets and liabilities related to operations:    
Trade accounts receivable, net (2,509) (6,180)
Inventories, net 2,006 (395)
Prepaid expenses and other assets 219 (978)
Accounts payable 766 (2,202)
Accrued expenses 605 1,301
Deferred revenue 1,007 (3,402)
Change in right of use asset and lease liability, net (64) (294)
Net cash provided by (used in) operating activities 1,708 (7,875)
Investing activities:    
Acquisition of equipment and leasehold improvements (997) (1,275)
Net cash used in investing activities (997) (1,275)
Financing activities:    
Proceeds from line of credit - inventory, related party 5,500
Proceeds from line of credit – accounts receivable, related party 6,099
Payments to line of credit – accounts receivable, related party (980)
Proceeds from issuance of stock and exercise of stock options 27 250
Net cash (used in) provided by financing activities (953) 11,849
(Decrease) increase in cash (242) 2,699
Cash at beginning of period 1,288 1,409
Cash at end of period 1,046 4,108
Supplemental cash flow information:    
Cash paid for interest 452 354
Income taxes paid 325
Supplemental non-cash investing and financing activities:    
Accounts payable incurred for the purchase of equipment and leasehold improvements $ 104 $ 499