Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 922	$ 1,315
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	966	1,027
Compensation on stock-based awards	206	192
Change in inventory reserves	113	(53)
Change in accounts receivable allowances	(88)	(31)
Other, net	(59)	(116)
Changes in current operating assets and liabilities:
Accounts receivable	1,690	(1,580)
Employee Retention Credit Receivable		2,650
Inventories	(1,288)	1,350
Contract assets	(476)	(1,620)
Prepaid expenses and other current assets	(531)	(1,042)
Accounts payable	(2,546)	586
Accrued payroll and commissions	(1,516)	(1,788)
Customer deposits	1,385	(195)
Other accrued liabilities	(236)	(414)
Net cash (used in) provided by operating activities	(1,458)	281
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of property and equipment	9
Purchases of property and equipment	(1,020)	(956)
Net cash used in investing activities	(1,011)	(956)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit	68,323	65,886
Payments to line of credit	(65,809)	(65,726)
Principal payments on financing leases	(202)	(189)
Proceeds from stock option exercises	31	173
Net cash provided by financing activities	2,343	144
Effect of exchange rate changes on cash	(7)	(35)
Net change in cash and cash equivalents	(133)	(566)
Cash and cash equivalents - beginning of period	1,675	2,481
Cash and cash equivalents - end of period	1,542	1,915
Reconciliation of cash and restricted cash reported within the condensed consolidated balance sheets:
Cash	1,542	781
Restricted cash		1,134
Total cash and restricted cash reported in the condensed consolidated statements of cash flows	1,542	1,915
Supplemental disclosure of cash flow information:
Cash paid for interest	307	248
Cash paid for income taxes	279	1,036
Supplemental noncash investing and financing activities:
Property and equipment purchases in accounts payable	75	49
Operating lease assets acquired under operating leases	$ 1,923