Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES
Net Income	$ 1,315	$ 857
Adjustments to Reconcile Net Income to Net Cash Provided By (Used In) Operating Activities:
Depreciation and Amortization	1,027	967
Compensation on Stock-Based Awards	192	141
Change in Inventory Reserves	(53)	(103)
Other, Net	(147)	(46)
Changes in Current Operating Items
Accounts Receivable	(1,580)	(1,986)
Employee Retention Credit Receivable	2,650	0
Inventories	1,350	(3,540)
Contract Assets	(1,620)	(372)
Prepaid Expenses and other Curent Assets	(1,042)	89
Income Taxes	(364)	(63)
Accounts Payable	586	1,346
Accrued Payroll and Commissions	(1,788)	(84)
Customer Deposits	(195)	48
Other Accrued Liabilities	(50)	806
Net Cash Provided By Operating Activities	281	(1,940)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Proceeds from Sale of Property and Equipment	0	15
Purchase of Intangible Asset	0	(41)
Purchases of Property and Equipment	(956)	(1,182)
Net Cash Used In Investing Activities	(956)	(1,208)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Line of Credit	65,886	58,440
Payments to Line of Credit	(65,726)	(56,046)
Principal Payments on Financing Leases	(189)	(329)
Stock Option Excercises	173	33
Net Cash Used In Financing Activities	144	2,098
Effect of Exchange Rate Changes on Cash	(35)	0
Net Change in Cash and Cash Equivalents	(566)	(1,050)
Cash and Cash Equivalents - Beginning of Year	2,481	2,225
Cash and Cash Equivalents - End of Year	1,915	1,175
Reconciliation of cash and restricted cash reported within the consolidated balance sheets
Cash	781	944
Restricted Cash	1,134	231
Total Cash and restricted cash reported in the consolidated statements of cash flows	1,915	1,175
Supplemental Disclosure of Cash Flow Information:
Cash Paid During the Period for Interest	248	198
Cash Paid During the Period for Income Taxes	1,036	20
Supplemental Noncash Investing and Financing Activities:
Property and Equipment Purchases in Accounts Payable	$ 49	$ 52