Consolidated Balance Sheets - USD ($)	Jan. 02, 2021	Dec. 28, 2019
Current assets
Cash and cash equivalents	$ 16,101,635	$ 17,996,505
Marketable securities	28,951	34,305
Accounts receivable, less allowances: 2020 - $545,000;2019 - $556,000	37,749,129	37,941,900
Inventories:
Raw materials and component parts	20,013,992	17,225,469
Work in process	11,704,311	11,009,648
Finished goods	21,394,090	26,364,149
Inventory	53,112,393	54,599,266
Current portion of note receivable	398,414	0
Prepaid expenses and other assets	4,345,250	5,366,507
Total Current Assets	111,735,772	115,938,483
Property, Plant and Equipment
Land	1,341,447	1,341,289
Buildings	21,836,885	21,830,568
Machinery and equipment	65,019,761	64,141,386
Accumulated depreciation	(48,246,120)	(46,313,630)
Total	39,951,973	40,999,613
Other Assets
Goodwill	76,895,015	79,518,012
Trademarks	5,404,284	5,404,283
Patents, technology and other intangibles net of accumulated amortization	27,096,006	26,460,110
Long term notes receivable, less current portion	1,677,277	0
Right of Use Assets	12,768,027	12,342,475
Total other assets	123,840,609	123,724,880
TOTAL ASSETS	275,528,354	280,662,976
Current Liabilities
Accounts payable	23,507,719	19,960,507
Accrued compensation	3,675,223	3,815,186
Other accrued expenses	4,121,568	2,967,961
Current portion of lease liability	2,923,761	2,965,572
Current portion of long-term debt	6,437,689	5,187,689
Total Current Liabilities	40,665,960	34,896,915
Deferred income taxes	2,899,075	5,270,465
Other long-term liabilities	1,144,127	2,465,261
Lease liability	9,883,168	9,376,903
Long-term debt, less current portion	82,255,803	93,577,544
Accrued postretirement benefits	1,185,139	1,007,146
Accrued pension cost	33,188,623	28,631,485
Total Liabilities	171,221,895	175,225,719
Shareholders' Equity
Voting Preferred Stock, no par value Authorized and unissued: 1,000,000 shares	0	0
Nonvoting Preferred Stock, no par value Authorized and unissued: 1,000,000 shares	0	0
Common Stock, no par value, Authorized: 50,000,000 shares Issued: 8,996,625 shares in 2020 and 8,975,434 shares in 2019 Outstanding: 6,246,896 shares in 2020 and 6,240,705 shares in 2019	31,501,041	30,651,815
Treasury Stock: 2,749,729 shares in 2020 and 2,734,729 shares in 2019	(20,537,962)	(20,169,098)
Retained earnings	122,840,131	120,189,111
Accumulated other comprehensive loss:
Foreign currency translation	953,864	(2,037,952)
Unrealised (loss) gain on interest rate swap, net of tax	(1,391,592)	167,018
Unrecognized net pension and postretirement benefit costs, net of tax	(29,059,023)	(23,363,637)
Accumulated other comprehensive loss	(29,496,751)	(25,234,571)
Total Shareholders' Equity	104,306,459	105,437,257
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 275,528,354	$ 280,662,976