Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss)	$ 857	$ (1,375)
Adjustments to Reconcile Net Income (Loss) to Net Cash
Depreciation and Amortization	967	967
Compensation on Stock-Based Awards	141	160
Change in Accounts Receivable Allowance	(31)	116
Change in Inventory Reserves	(103)	(655)
Gain on Sale of Assets	(15)	(94)
Changes in Current Operating Items
Accounts Receivable	(1,986)	(1,153)
Inventories	(3,540)	(3,719)
Contract Assets	(372)	(1,019)
Prepaid Expenses and other Curent Assets	89	(286)
Income Taxes	(63)	(757)
Accounts Payable	1,346	1,576
Accrued Payroll and Commissions	(84)	686
Other Accrued Liabilities	854	120
Net Cash Used In Operating Activities	(1,940)	(5,433)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from Sale of Property and Equipment	15	94
Purchase of Intangible Asset	(41)	(77)
Purchases of Property and Equipment	(1,182)	(659)
Net Cash Used In Investing Activities	(1,208)	(642)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Line of Credit	2,394	4,339
Principal Payments on Long-Term Debt	0	(249)
Principal Payments on Financing Leases	(336)	(326)
Debt Issuance Costs	7	0
Stock Option Excercises	33	0
Net Cash Provided By Financing Activities	2,098	3,764
Net Change in Cash and Cash Equivalents	(1,050)	(2,311)
Cash and Cash Equivalents - Beginning of Period	2,225	3,564
Cash and Cash Equivalents - End of Period	1,175	1,253
Reconciliation of cash and restricted cash reported within the consolidated balance sheets
Cash	944	661
Restricted Cash	231	592
Total Cash and restricted cash reported in the consolidated statements of cash flows	1,175	1,253
Supplemental Disclosure of Cash Flow Information:
Cash Paid During the Period for Interest	198	81
Cash Paid During the Period for Income Taxes	20	156
Supplemental Noncash Investing and Financing Activities:
Property and Equipment Purchases in Accounts Payable	52	0
Right-of-use assets obtained in exchange for lease obligations	$ 0	$ 858

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