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Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Retained Earnings [Member]
Common Stock [Member]
Treasury Stock [Member]
Total
Balance at Dec. 31, 2014 $ 13,844,249 $ 72,256 $ (375,516) $ 13,540,989
Net income 89,014 $ 89,014
Dividends reversion      
Balance at Mar. 31, 2015 13,797,288 $ 72,256 $ (375,516) $ 13,494,028
Dividends paid (135,975) (135,975)
Balance at Dec. 31, 2015 13,750,432 $ 59,335 13,809,767
Net income 98,794 98,794
Dividends reversion 6,507 6,507
Balance at Mar. 31, 2016 $ 13,855,733 $ 59,335 $ 13,915,068