Consolidated Balance Sheets (USD $)	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 540,910	$ 649,952
Accounts receivable, less allowance for doubtful accounts of approximately $164,000 in 2011 and $134,000 in 2010	1,821,821	2,370,642
Inventories, net	2,961,701	2,545,200
Prepaid expenses	225,479	227,570
Deferred income taxes	270,142	358,481
Total current assets	5,820,053	6,151,845
Sale of Property
Land	500	500
Buildings and leasehold improvements	757,634	397,136
Machinery and equipment	10,639,702	10,050,517
Total property, plant and equipment	11,397,836	10,448,153
Less allowance for depreciation and amortization	(7,895,319)	(7,442,888)
Net property, plant and equipment	3,502,517	3,005,265
Other noncurrent assets	47,251	41,545
Deferred income taxes	569,696	510,635
Total assets	9,939,517	9,709,290
Current liabilities:
Accounts payable	2,191,155	1,992,819
Commissions, salaries, wages, and taxes thereon	172,572	193,006
Income taxes payable	70,719	65,203
Revolving line of credit	500,000	0
Current portion of long-term debt	200,000	200,000
Deferred revenue	0	341,000
Other accrued expenses	476,258	348,524
Total current liabilities	3,610,704	3,140,552
Long-term liabilities:
Long-term debt, net of current portion	650,000	800,000
Pension and other benefits	1,303,038	1,466,179
Total long-term liabilities	1,953,038	2,266,179
Total liabilities	5,563,742	5,406,731
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock, $1.00 par value: Authorized shares - 4,000,000 Issued shares - 1,857,842 in 2011 and 1,834,106 in 2010; Outstanding shares - 1,665,842 in 2011 and 1,642,106 in 2010	1,857,842	1,834,106
Other capital	279,135	265,271
Retained earnings	5,017,637	4,964,006
Treasury stock at cost, 192,000 shares	(2,112,000)	(2,112,000)
Accumulated other comprehensive loss	(666,839)	(648,824)
Total stockholders' equity	4,375,775	4,302,559
Total liabilities and stockholders' equity	$ 9,939,517	$ 9,709,290