CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $)	Mar. 30, 2013	Dec. 29, 2012
Current Assets
Cash and cash equivalents	$ 16,891,943	$ 18,482,144
Accounts receivable, less allowances: $522,000 - 2013; $487,000 - 2012	18,374,908	18,368,774
Inventories	29,791,380	29,384,780
Prepaid expenses and other assets	3,139,371	3,365,904
Recoverable income taxes receivable	408,632	1,158,632
Deferred income taxes	1,064,202	1,064,202
Total Current Assets	69,670,436	71,824,436
Property, Plant and Equipment	59,300,102	58,130,024
Accumulated depreciation	(33,314,571)	(32,469,281)
Net Property, Plant and Equipment	25,985,531	25,660,743
Other Assets
Goodwill	13,906,902	13,933,599
Trademarks	171,312	170,512
Patents, technology and other intangibles net of accumulated amortization	1,636,778	1,653,957
Deferred income taxes	2,463,987	2,610,903
Total Other Assets	18,178,979	18,368,971
TOTAL ASSETS	113,834,946	115,854,150
Current Liabilities
Accounts payable	7,591,618	7,607,658
Accrued compensation	1,401,937	3,453,709
Other accrued expenses	1,955,865	2,414,135
Current portion of long-term debt	1,428,571	1,428,571
Total Current Liabilities	12,377,991	14,904,073
Other long-term liabilities	607,463	607,463
Long-term debt, less current portion	5,714,286	6,071,428
Accrued postretirement benefits	2,568,340	2,507,726
Accrued pension cost	20,428,922	20,181,361
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: 8,914,738 shares in 2013 and 8,914,478 shares in 2012	28,590,111	28,585,498
Treasury Stock: 2,694,729 shares in 2013 and 2012	(19,105,723)	(19,105,723)
Retained earnings	79,100,862	78,717,589
Accumulated other comprehensive income (loss):
Foreign currency translation	2,539,395	2,640,478
Unrecognized net pension and postretirement benefit costs, net of tax	(18,986,701)	(19,255,743)
Accumulated other comprehensive loss	(16,447,306)	(16,615,265)
Total Shareholders' Equity	72,137,944	71,582,099
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 113,834,946	$ 115,854,150