Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 183	$ 2,522
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	1,400	1,539
Compensation on stock-based awards	334	299
Change in inventory reserves	194	(8)
Change in accounts receivable allowances	(72)	(18)
Other, net	9	137
Changes in current operating assets and liabilities:
Accounts receivable	2,727	(162)
Employee Retention Credit Receivable		2,650
Inventories	(922)	899
Contract assets	(577)	(1,780)
Prepaid expenses and other current assets	(2,888)	(976)
Accounts payable	(3,609)	(1,636)
Accrued payroll and commissions	(1,198)	(810)
Customer deposits	1,195	345
Other accrued liabilities	181	(820)
Net cash (used in) provided by operating activities	(3,043)	2,181
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of property and equipment	9
Purchases of property and equipment	(980)	(1,121)
Net cash used in investing activities	(971)	(1,121)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit	99,888	95,783
Payments to line of credit	(96,185)	(98,035)
Proceeds from financing leases	198
Principal payments on financing leases	(304)	(291)
Share repurchases	(67)
Proceeds from stock option exercises	31	155
Net cash provided by (used in) financing activities	3,561	(2,388)
Effect of exchange rate changes on cash	17	(32)
Net change in cash and cash equivalents	(436)	(1,360)
Cash - beginning of period	1,675	2,481
Cash - end of period	1,239	1,121
Reconciliation of cash and restricted cash reported within the condensed consolidated balance sheets:
Cash	1,239	699
Restricted cash		422
Total cash and restricted cash reported in the condensed consolidated statements of cash flows	1,239	1,121
Supplemental disclosure of cash flow information:
Cash paid for interest	531	388
Cash paid for income taxes	374	1,242
Supplemental noncash investing and financing activities:
Property and equipment purchases in accounts payable	107	23
Operating lease assets acquired under operating leases	1,923
Equipment acquired under finance lease	$ 256