CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows related to operating activities:
Net Income	$ 325,000	$ 541,000
Adjustments to reconcile net income to net cash (used) provided by operating activities:
Depreciation and amortization	313,000	356,000
Stock based compensation	25,000	31,000
Increase in inventory reserve	168,000	58,000
Increase in allowance for doubtful accounts	65,000	36,000
Gain on sale of equipment	(26,000)
Change in assets and liabilities:
Accounts receivable	(2,171,000)	(98,000)
Other receivables-ERC		(1,593,000)
Inventories	(222,000)	1,091,000
Prepaid income taxes	199,000	140,000
Other current assets	(783,000)	(420,000)
Accounts payable	1,669,000	146,000
Accrued employee compensation and benefit costs	(72,000)	499,000
Other accrued liabilities	(68,000)	25,000
Post retirement obligation	34,000	24,000
Net cash (used) provided by operating activities	(544,000)	836,000
Cash flows related to investing activities:
Capital expenditures - property, plant and equipment	(115,000)	(14,000)
Proceeds from sale of assets	38,000
Net cash used by investing activities	(77,000)	(14,000)
Cash flows related to financing activities:
Principal payments on long-term debt		(637,000)
Principal payments on equipment financing lease/note obligations	(70,000)	(85,000)
Proceeds from equipment note and equipment financing lease		384,000
Proceeds from line of credit		500,000
Purchase of treasury shares		(81,000)
Net cash (used) provided by financing activities	(70,000)	81,000
Net (decrease) increase in cash	(691,000)	903,000
Cash at beginning of period	9,546,000	5,935,000
Cash at end of period	$ 8,855,000	$ 6,838,000