CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 12,958,901	$ 11,147,297
Accounts receivable, less allowances: $464,000 - 2012; $423,000 - 2011	20,737,911	18,633,088
Inventories	30,159,095	29,793,434
Prepaid expenses and other assets	3,066,304	3,313,186
Recoverable income taxes receivable	0	647,950
Deferred income taxes	1,881,775	1,881,775
Total Current Assets	68,803,986	65,416,730
Property, Plant and Equipment	56,510,908	54,863,020
Accumulated depreciation	(31,053,139)	(30,228,924)
Net Property, Plant and Equipment	25,457,769	24,634,096
Other Assets
Goodwill	13,928,130	13,905,209
Trademarks	155,342	152,446
Patents, technology and other intangibles net of accumulated amortization	1,737,668	1,770,008
Deferred income taxes	723,400	821,485
Total Other Assets	16,544,540	16,649,148
TOTAL ASSETS	110,806,295	106,699,974
Current Liabilities
Accounts payable	8,793,999	8,412,245
Accrued compensation	1,900,032	2,999,478
Other accrued expenses	2,067,230	1,060,143
Current portion of long-term debt	1,428,571	3,714,286
Total Current Liabilities	14,189,832	16,186,152
Other long-term liabilities	655,001	655,001
Long-term debt, less current portion	7,142,857	3,035,714
Accrued postretirement benefits	1,872,875	1,853,157
Accrued pension cost	15,713,972	15,811,622
Shareholders' Equity
Common Stock, no par value: Authorized: 50,000,000 shares Issued: 8,908,928 shares in 2012 and 8,908,607 shares in 2011	28,505,933	28,499,779
Treasury Stock: 2,694,729 shares in 2012 and 2011	(19,105,723)	(19,105,723)
Retained earnings	74,624,582	73,200,362
Accumulated other comprehensive income (loss):
Foreign currency translation	2,570,072	2,107,187
Unrecognized net pension and postretirement benefit costs, net of tax	(15,363,106)	(15,543,277)
Accumulated other comprehensive loss	(12,793,034)	(13,436,090)
Total Shareholders' Equity	71,231,758	69,158,328
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 110,806,295	$ 106,699,974