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STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
BALANCE at Dec. 31, 2011 $ 9,020,433 $ 326,115 $ 9,911,914 $ (614,315) $ (562,469) $ (40,812)
BALANCE (in shares) at Dec. 31, 2011   3,261,148     257,114  
Net income 106,375 0 0 106,375 0 0
Other comprehensive loss, net of taxes (12,521) 0 0 0 0 (12,521)
Exercise of stock options 50,800 0 17,986 0 32,814 0
Exercises of stock options (in shares)   0     (15,000)  
Tax benefits related to stock options 6,842 0 6,842 0 0 0
Stock-based compensation 27,480 0 27,480 0 0 0
BALANCE at Sep. 30, 2012 9,199,409 326,115 9,964,222 (507,940) (529,655) (53,333)
BALANCE (in shares) at Sep. 30, 2012   3,261,148     242,114  
BALANCE at Dec. 31, 2012 9,194,683 326,115 9,973,146 (524,803) (529,655) (50,120)
BALANCE (in shares) at Dec. 31, 2012   3,261,148     242,114  
Net income 268,098 0 0 268,098 0 0
Other comprehensive loss, net of taxes 24,279 0 0 0 0 24,279
Stock-based compensation 24,261 0 24,261 0 0 0
BALANCE at Sep. 30, 2013 $ 9,511,321 $ 326,115 $ 9,997,407 $ (256,705) $ (529,655) $ (25,841)
BALANCE (in shares) at Sep. 30, 2013   3,261,148     242,114