Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 2,010	$ 7,154
Adjustments to Reconcile Net Income to Net Cash
Depreciation	1,768	1,774
Amortization	150	176
Compensation on Stock-Based Awards	334	111
Compensation on Equity Appreciation Rights	0	143
Loss on Abandonment of Intangible Asset	0	560
Change in Accounts Receivable Allowance	6	(15)
Change in Inventory Reserves	(149)	(860)
Gain on Disposal of Property and Equipment	(15)	(141)
PPP Loan Forgiveness Gain	0	(6,171)
Foreign Currency Transaction Gain	(72)	0
Changes in Current Operating Items
Accounts Receivable	(1,746)	1,134
Employee Retention Credit Receivable	2,574	(5,209)
Inventories	(2,985)	(4,613)
Contract Assets	(1,283)	(2,799)
Prepaid Expenses and other Curent Assets	317	(171)
Income Taxes	643	634
Accounts Payable	2,216	1,471
Accrued Payroll and Commissions	783	1,176
Other Accrued Liabilities	851	1,106
Net Cash Provided by (Used In) Operating Activities	5,402	(4,540)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from Sale of Property and Equipment	15	626
Purchase of Intangible Asset	(71)	(64)
Purchases of Property and Equipment	(2,370)	(1,292)
Net Cash Used In Investing Activities	(2,426)	(730)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from Line of Credit	119,349	109,544
Payments to Line of Credit	(121,468)	(103,856)
Principal Payments on Long-Term Debt	0	(1,128)
Principal Payments on Financing Leases	(599)	(664)
Stock Option Excercises	51	35
Net Cash (Used In) Provided By Financing Activities	(2,667)	3,931
Effect of Exchange Rate Changes on Cash	(53)	0
Net Change in Cash and Cash Equivalents	256	(1,339)
Cash and Cash Equivalents - Beginning of Year	2,225	3,564
Cash and Cash Equivalents - End of Year	2,481	2,225
Reconciliation of cash and restricted cash reported within the consolidated balance sheets
Cash	1,027	643
Restricted Cash	1,454	1,582
Total Cash and restricted cash reported in the consolidated statements of cash flows	2,481	2,225
Supplemental Disclosure of Cash Flow Information:
Cash Paid for Interest	476	316
Cash Paid (Refunded) for Income Taxes	237	(114)
Supplemental Noncash Investing and Financing Activities:
Property and Equipment Purchases in Accounts Payable	14	35
Property Acquired under Operating Lease	44	1,188
Equipment Acquired under Finance Lease	41	368
PPP Loan Forgiviness Gain	$ 0	$ 6,171