CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows related to operating activities:
Net Income	$ 4,965,000	$ 1,081,000
Adjustments to reconcile net income to net cash generated/(used) by operating activities:
Paycheck Protection Program loan forgiveness	(4,000,000)
Depreciation and amortization	1,043,000	1,072,000
Stock based compensation	81,000	255,000
Gain on disposal of property		(1,000)
Decrease in doubtful accounts	(34,000)	(150,000)
(Decrease)/increase in inventory reserve	(75,000)	240,000
Increase/(decrease) in warranty reserve	14,000	(133,000)
Deferred income taxes	12,000
Change in assets and liabilities:
Accounts receivable	(481,000)	6,564,000
Other receivables: employee retention credit	(1,028,000)
Inventories	2,861,000	(5,242,000)
Prepaid income taxes	18,000	(352,000)
Other current assets	(242,000)	(148,000)
Other non-current assets		1,000
Accounts payable	(31,000)	(1,213,000)
Dividends payable	(12,000)	(1,000)
Accrued employee compensation and benefit costs	509,000	6,000
Other accrued liabilities	2,665,000	147,000
Postretirement benefits	73,000
Net cash generated by operating activities	6,338,000	2,126,000
Cash flows related to investing activities:
Capital expenditures - property, plant and equipment	(68,000)	(708,000)
Net cash (used) by investing activities	(68,000)	(708,000)
Cash flows related to financing activities:
Principal payments on long-term debt	(911,000)	(410,000)
Principal payments on equipment financing lease obligations	(271,000)	(220,000)
Proceeds from equipment note and equipment financing lease obligations	384,000
Proceeds from the line of credit	500,000	750,000
Purchase of treasury shares	(81,000)	(100,000)
Proceeds from Paycheck Protection Program		4,000,000
Net cash (used) generated by financing activities	(379,000)	4,020,000
Net increase in cash	5,891,000	5,438,000
Cash at beginning of period	5,935,000	2,029,000
Cash at end of period	$ 11,826,000	$ 7,467,000