CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022
Operating Activities
Net income	$ 5,068,480	$ 11,925,632
Less: gain from discontinued operations	0	1,042,465
Net income from continuing operations	5,068,480	10,883,167
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	5,471,633	5,389,394
Unrecognized pension and postretirement benefits	635,677	(477,560)
Loss (Gain) on sale of equipment and other assets	331,474	(345,718)
Provision for doubtful accounts	(88,353)	35,000
Stock compensation expense	151,300	699,454
Changes in operating assets and liabilities:
Accounts receivable	116,025	(8,008,687)
Inventories	4,628,294	(5,217,395)
Prepaid expenses and other	888,342	(1,082,483)
Other assets	190,216	340,925
Accounts payable	1,499,401	(537,072)
Accrued compensation	476,714	(957,022)
Other accrued expenses	(119,557)	(1,046,094)
Net cash provided by (used in) operating activities	19,249,646	(324,091)
Investing Activities
Business Acquisition	(547,638)	0
Issuance of Notes Receivable	0	(400,000)
Payments received from notes receivable	2,265,730	748,148
Proceeds from sale of equipment	0	2,171,073
Purchases of property, plant, and equipment	(4,718,673)	(1,734,553)
Net cash (used in) provided by investing activities	(3,000,581)	784,668
Financing Activities
Principal payments on long-term debt	(74,919,004)	(5,688,866)
Principal payments on short-term borrowings (revolver)	(300,029)	(1,000,000)
Proceeds from short term borrowings (revolver)	0	10,000,000
Proceeds from new long-term debt financing	60,000,000	0
Financing leases, net	674,558	(161,906)
Purchase common stock for treasury	(245,546)	(1,637,072)
Dividends paid	(2,069,043)	(2,054,875)
Net cash used in financing activities	(16,859,064)	(542,719)
Discontinued Operations
Cash used in operating activities	0	(610,887)
Cash used in discontinued operations	0	(610,887)
Effect of exchange rate changes on cash	(36,737)	(257,093)
Net change in cash and cash equivalents	(646,737)	(950,122)
Cash and cash equivalents at beginning of period	10,187,522	6,602,429
Cash and cash equivalents at end of period ?	9,540,786	5,652,307
Supplemental disclosure of cash flow information:
Interest	2,482,362	1,753,699
Income taxes	1,321,170	3,197,375
Non-cash investing and financing activities
Right of use asset	3,579,222	1,743,518
Lease liability	$ (4,484,838)	$ (1,608,530)