CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Operating Activities
Net income	$ 607,313	$ 3,030,438
Less: gain from discontinued operations	0	344,320
Income from continuing operations	607,313	2,686,118
by (used in) operating activities:
Depreciation and amortization	1,814,749	1,830,427
Unrecognized pension and postretirement benefits	880,421	247,133
Loss on sale of equipment and other assets	0	268,770
Provision for doubtful accounts	3,269	19,740
Stock compensation (benefit) expense	(49,246)	221,468
Changes in operating assets and liabilities:
Accounts receivable	(1,585,976)	(3,951,314)
Inventories	7,212,179	(4,902,631)
Prepaid expenses and other	(37,330)	(1,075,545)
Other assets	155,055	89,366
Accounts payable	(1,031,704)	3,526,499
Accrued compensation	(1,104,186)	(1,858,898)
Other accrued expenses	305,824	(478,878)
Net cash provided by (used in) operating activities	6,860,258	(3,556,477)
Investing Activities
Payments received from notes receivable	2,233,192	175,220
Proceeds from sale of equipment	0	1,371,073
Purchases of property, plant, and equipment	(1,151,205)	(572,047)
Net cash provided by investing activities	1,081,987	974,246
Financing Activities
Proceeds from short term borrowings (revolver)	(268,249)	(5,000,000)
Principal payments on long-term debt	(4,858,000)	(1,852,107)
Financing leases, net	723,254	(92,111)
Purchase common stock for treasury	0	(766,889)
Dividends paid	(684,293)	(687,180)
Net cash (used in) provided by financing activities	(5,087,288)	1,601,713
Cash used in operating activities	6,860,258	(3,556,477)
Cash used in discontinued operations	0	(396,936)
Effect of exchange rate changes on cash	28,538	(22,903)
Net change in cash and cash equivalents	2,883,495	(1,400,357)
Cash and cash equivalents at beginning of period	10,187,522	6,602,429
Cash and cash equivalents at end of period ?	13,071,017	5,202,072
Supplemental disclosure of cash flow information:
Interest	716,763	463,080
Income taxes	59,681	110,917
Non-cash investing and financing activities
Right of use asset	(652,914)	292,097
Lease liability	$ (328,721)	$ (226,903)