Consolidated Balance Sheets (USD $)	Dec. 31, 2013		Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 443,608		$ 392,810
Certificates of deposit	6,207,348		7,088,000
Accounts receivable, net	5,510,770	[1]	4,577,932	[1]
Inventories, net	4,880,788		4,936,372
Deferred income taxes	410,191		416,191
Other current assets	295,521		422,332
Total current assets	17,748,226		17,833,637
Property, plant and equipment, net	10,409,120		8,077,866
Total assets	28,157,346		25,911,503
Current Liabilities:
Accounts payable	924,943		1,003,647
Accrued wages and salaries	560,114		409,695
Other accrued expenses	609,846		460,245
Unearned revenue and customer deposits	126,066		84,905
Total current liabilities	2,220,969		1,958,492
Deferred income taxes	1,065,275		952,275
Total liabilities	3,286,244		2,910,767
Shareholders' Equity:
Preferred stock	0	[2]	0	[2]
Common stock	1,138,096	[3]	1,138,096	[3]
Additional paid-in capital	447,134		447,134
Retained earnings	27,207,970		25,337,604
Less: Treasury stock	3,922,098	[4]	3,922,098	[4]
Total shareholders' equity	24,871,102		23,000,736
Total liabilities and shareholders' equity	$ 28,157,346		$ 25,911,503

[1] Net of allowance of $150,000.

[2] No par value, 500,000 shares authorized, none outstanding.

[3] $1.00 par value, 4,000,000 shares authorized, 1,138,096 shares issued, 966,132 shares outstanding.

[4] At cost, 171,964 shares.