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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, 2010 $ 9,282,401 $ 326,115 $ 9,780,392 $ (204,805) $ (628,932) $ 9,631
BALANCE (in shares) at Dec. 31, 2010   3,261,148     287,496  
Net income (loss) (409,510) 0 0 (409,510) 0 0
Other comprehensive income (loss), net of taxes (50,443) 0 0 0 0 (50,443)
Exercise of stock options 145,295 0 78,832 0 66,463 0
Exercise of stock options (in shares) (31,000) 0     (30,382)  
Tax benefits related to stock options 14,518 0 14,518 0 0 0
Stock-based compensation 38,172 0 38,172 0 0 0
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 (loss) 89,512 0 0 89,512 0 0
Other comprehensive income (loss), net of taxes (9,308) 0 0 0 0 (9,308)
Exercise of stock options 50,800 0 17,986 0 32,814 0
Exercise of stock options (in shares) (15,000) 0     (15,000)  
Tax benefits related to stock options 7,261 0 7,261 0 0 0
Stock-based compensation 35,985 0 35,985 0 0 0
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 (loss) 117,395 0 0 117,395 0 0
Other comprehensive income (loss), net of taxes 30,284 0 0 0 0 30,284
Exercise of stock options 21,750 0 6,436 0 15,314 0
Exercise of stock options (in shares) (7,000) 0     (7,000)  
Tax benefits related to stock options 398 0 398 0 0 0
Stock-based compensation 31,359 0 31,359 0 0 0
BALANCE at Dec. 31, 2013 $ 9,395,869 $ 326,115 $ 10,011,339 $ (407,408) $ (514,341) $ (19,836)
BALANCE (in shares) at Dec. 31, 2013   3,261,148     235,114