CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Apr. 01, 2023	Dec. 31, 2022
Current Liabilities
Cash and cash equivalents	$ 13,071,017	$ 10,187,522
Accounts receivable, less allowances: 2023 - $676,000; 2022 - $677,000	44,481,853	42,886,250
Inventories	57,652,961	64,636,591
Current portion of notes receivable	214,780	1,006,421
Prepaid expenses and other assets	6,639,228	6,598,774
Total Current Assets	122,059,839	125,315,558
Property, Plant and Equipment	57,318,367	56,112,889
Accumulated depreciation	(30,877,891)	(30,000,797)
Property, Plant and Equipment, Net	26,440,476	26,112,092
Goodwill	70,788,971	70,777,459
Trademarks	5,514,888	5,514,886
Patents and other intangibles net of accumulated amortization	17,987,968	18,819,897
Long term notes receivable, less current portion	905,851	2,276,631
Deferred Income Taxes	488,989	488,989
Right of Use Assets	11,564,607	12,217,521
Total Other Assets	107,251,274	110,095,383
TOTAL ASSETS	255,751,589	261,523,033
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	26,643,423	27,638,317
Accrued compensation	2,233,923	3,327,832
Other accrued expenses	3,900,764	3,944,964
Current portion of operating lease liability	3,030,116	3,059,547
Current portion of finance lease liability	150,773	0
Current portion of long-term debt	9,375,000	9,010,793
Total Current Liabilities	45,333,999	46,981,453
Other long-term liabilities	754,762	754,762
Operating lease liability, less current portion	8,556,037	9,195,205
Finance lease liability, less current portion	846,547	0
Long-term debt, less current portion	49,661,128	55,136,231
Accrued postretirement benefits	664,293	666,222
Accrued pension cost	23,134,787	22,174,465
Total Liabilities	128,951,553	134,908,338
Shareholders' Equity
Common Stock, no par value, Authorized: 50,000,000 shares Issued: 9,066,057 shares in 2023 and 9,056,421 shares in 2022 Outstanding: 6,231,612 shares in 2023 and 6,221,976 shares in 2022	33,536,918	33,586,165
Treasury Stock: 2,834,445 shares in 2023 and 2,834,445 shares in 2022	(22,544,684)	(22,544,684)
Retained earnings	138,908,874	138,985,852
Accumulated other comprehensive income (loss):
Foreign currency translation	(804,393)	(1,140,978)
Unrealized gain on interest rate swap, net of tax	1,172,067	1,449,754
Unrecognized net pension and postretirement benefit costs, net of taxB5	(23,468,746)	(23,721,414)
Accumulated other comprehensive loss	(23,101,072)	(23,412,638)
Total Shareholders' Equity	126,800,036	126,614,695
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	255,751,589	261,523,033
Voting Preferred stock [Member]
Shareholders' Equity
Preferred Stock, value	0	0
NonVoting Preferred stock Member
Shareholders' Equity
Preferred Stock, value	$ 0	$ 0