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STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Total
BALANCE at Dec. 31, 2009 $ 326,115 $ 9,751,442 $ 179,879 $ (635,495) $ 0 $ 9,621,941
BALANCE (in shares) at Dec. 31, 2009 3,261,148     290,496    
Net income (loss) 0 0 (384,684) 0 0 (384,684)
Other comprehensive income (loss), net of taxes 0 0 0 0 9,631 9,631
Exercise of stock options, net 0 (563) 0 6,563 0 6,000
Exercises of stock options (in shares) 0     (3,000)    
Stock-based compensation 0 29,513 0 0 0 29,513
BALANCE at Dec. 31, 2010 326,115 9,780,392 (204,805) (628,932) 9,631 9,282,401
BALANCE (in shares) at Dec. 31, 2010 3,261,148     287,496    
Net income (loss) 0 0 (409,510) 0 0 (409,510)
Other comprehensive income (loss), net of taxes 0 0 0 0 (50,443) (50,443)
Exercise of stock options, net 0 78,832 0 66,463 0 145,295
Exercises of stock options (in shares) 0     (30,382)    
Tax benefits related to stock options 0 14,518 0 0 0 14,518
Stock-based compensation 0 38,172 0 0 0 38,172
BALANCE at Dec. 31, 2011 326,115 9,911,914 (614,315) (562,469) (40,812) 9,020,433
BALANCE (in shares) at Dec. 31, 2011 3,261,148     257,114    
Net income (loss) 0 0 89,512 0 0 89,512
Other comprehensive income (loss), net of taxes 0 0 0 0 (9,308) (9,308)
Exercise of stock options, net 0 17,986 0 32,814 0 50,800
Exercises of stock options (in shares) 0     (15,000)    
Tax benefits related to stock options 0 7,261 0 0 0 7,261
Stock-based compensation 0 35,985 0 0 0 35,985
BALANCE at Dec. 31, 2012 $ 326,115 $ 9,973,146 $ (524,803) $ (529,655) $ (50,120) $ 9,194,683
BALANCE (in shares) at Dec. 31, 2012 3,261,148     242,114