Consolidated Balance Sheets (USD $)	Dec. 31, 2011	Jan. 01, 2011
Current Assets
Cash and cash equivalents	$ 11,147,297	$ 12,224,608
Accounts receivable, less allowances of $423,000 in 2011 and $519,000 in 2010	18,633,088	16,424,766
Inventories:
Raw materials and component parts	11,863,199	8,090,149
Work in process	6,425,914	5,298,939
Finished goods	11,504,321	14,801,087
Total Inventories	29,793,434	28,190,175
Prepaid expenses and other assets	3,313,186	2,652,132
Recoverable income taxes receivable	647,950	0
Deferred income taxes	1,881,775	1,141,744
Total Current Assets	65,416,730	60,633,425
Property, Plant and Equipment
Land	1,152,804	1,152,972
Buildings	14,181,502	13,898,789
Machinery and equipment	39,528,714	38,276,592
Accumulated depreciation	(30,228,924)	(28,864,317)
Net Property, Plant and Equipment	24,634,096	24,464,036
Other Assets
Goodwill	13,905,209	13,933,990
Trademarks	152,446	150,751
Patents, technology and other intangibles net of accumulated amortization	1,770,008	2,259,235
Deferred income taxes	821,485	912,043
Total Other Assets	16,649,148	17,256,019
TOTAL ASSETS	106,699,974	102,353,480
Current Liabilities
Accounts payable	8,412,245	7,518,969
Accrued compensation	2,999,478	2,997,126
Other accrued expenses	1,060,143	1,141,514
Current portion of long-term debt	3,714,286	714,286
Total Current Liabilities	16,186,152	12,371,895
Other long-term liabilities	655,001	713,202
Long-term debt, less current portion	3,035,714	3,750,000
Accrued postretirement benefits	1,853,157	1,461,371
Accrued pension cost	15,811,622	14,013,269
Shareholders' Equity
Preferred Stock	0	0
Common Stock, no par value: Authorized: 50,000,000 shares Issued: 8,908,607 shares in 2011 and 8,852,762 shares in 2010	28,499,779	27,717,318
Treasury Stock: 2,694,729 shares in 2011 and 2010	(19,105,723)	(19,105,723)
Retained earnings	73,200,362	69,919,619
Accumulated other comprehensive income (loss):
Foreign currency translation	2,107,187	2,448,675
Unrecognized net pension and postretirement benefit costs, net of taxes	(15,543,277)	(10,936,146)
Accumulated other comprehensive loss	(13,436,090)	(8,487,471)
Total Shareholders' Equity	69,158,328	70,043,743
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 106,699,974	$ 102,353,480