Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021	Jul. 03, 2021
Operating Activities
Net Income			$ 7,067,053		$ 1,381,491
Less: Income From Discontinued Operations			(680,145)		7,067,665
Net income from continuing operations	$ 3,700,789	$ 2,755,360	6,386,908	$ 8,449,157	8,449,156
Adjustments To Reconcile Net Income To Net Cash Provided By (used In) Operating Activities:
Depreciation And Amortization			3,632,317		3,531,159
Unrecognized Pension And Postretirement Benefits			81,210		(1,722,275)
Loss (gain) On Sale Of Equipment And Other Assets			276,250		(1,555,983)
Provision For Doubtful Accounts			39,437		73,097
Stock Compensation Expense			414,619		680,014
Changes In Operating Assets And Liabilities:
Accounts Receivable			(3,302,349)		(3,343,695)
Inventories			(5,237,113)		(5,763,475)
Prepaid Expenses And Other			(1,228,182)		(3,057,099)
Other Assets			58,576		(143,156)
Accounts Payable			(100,497)		6,047,550
Accrued Compensation			(1,711,069)		(144,509)
Other Accrued Expenses			1,812,968		1,215,384
Net Cash (used In) Provided By Operating Activities			(2,502,861)		4,266,168
Investing Activities
Payments Received From Notes Receivable			428,832		629,912
Proceeds From Sale Of Equipment			1,371,073		2,044,167
Purchases Of Property, Plant And Equipment			(1,140,728)		(1,810,434)
Net Cash Provided By Investing Activities			659,177		863,645
Financing Activities
Proceeds From Short Term Borrowings (revolver)			10,000,000		0
Principal Payments On Long-term Debt			(3,767,866)		(2,336,564)
Financing Leases, Net			(126,547)		169,765
Purchase Common Stock For Treasury			(1,423,378)		0
Dividends Paid			(1,372,101)		(1,375,509)
Net Cash Provided By (used In) Financing Activities			3,310,108		(3,542,308)
Discontinued Operations
Cash (used in) provided by operating activities			(717,668)		1,261,868
Cash used in investing activities			0		(571,945)
Cash (used In) Provided By Discontinued Operations			(717,668)		689,923
Effect Of Exchange Rate Changes On Cash			(160,653)		147,050
Net Change In Cash And Cash Equivalents			588,103		2,424,478
Cash And Cash Equivalents At Beginning Of Period			6,602,429		16,101,635
Cash And Cash Equivalents At End Of Period ?	$ 7,190,532	$ 18,526,113	7,190,532	$ 18,526,113	18,526,113
Supplemental Disclosure Of Cash Flow Information:
Interest			1,012,157		1,264,023
Income Taxes			1,647,375		284,075
Non-cash Investing And Financing Activities
Right of use asset			1,694,711		(484,797)
Lease liability			$ (1,595,081)		$ 315,032