Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES
Net (loss) income	$ (1,149)	$ 183
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	986	1,400
Compensation on stock-based awards	369	334
Deferred income taxes	(189)
Change in accounts receivable allowance	(10)	(72)
Change in inventory reserves	346	194
Other, net		9
Changes in current operating assets and liabilities:
Accounts receivable	(3,875)	2,727
Inventories	2,823	(922)
Contract assets	(1,536)	(577)
Prepaid expenses and other assets	(1,244)	(2,888)
Accounts payable	165	(3,609)
Accrued payroll and commissions	555	(1,198)
Customer deposits	(424)	1,195
Other accrued liabilities	318	181
Net cash used in operating activities	(2,865)	(3,043)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of property and equipment	504	9
Purchases of equipment	(517)	(980)
Net cash used in investing activities	(13)	(971)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit	76,215	99,888
Payments to line of credit	(72,880)	(96,185)
Proceeds from financing leases		198
Principal payments on financing leases	(140)	(304)
Share repurchases		(67)
Stock option exercises	23	31
Net cash provided by financing activities	3,218	3,561
Effect of exchange rate changes on cash	15	17
Net change in cash	355	(436)
Cash - beginning of period	916	1,675
Cash - end of period	1,271	1,239
Supplemental disclosure of cash flow information:
Cash paid for interest	740	531
Cash paid for income taxes	580	374
Supplemental noncash investing and financing activities:
Property and equipment purchases in accounts payable	66	107
Conversion of notes payable to finance leases	637
Operating lease assets acquired under operating leases		1,923
Equipment acquired under finance leases		$ 256