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Stock Option Plans (Detail Textuals) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Method used Black-Scholes option valuation model  
Intrinsic value of option exercised $ 200,192 $ 90,606
Weighted-average period to recognize compensation cost 2 years  
Fair value of share vested $ 90,163 90,163
Recognized tax benefit $ 35,267 $ 34,622
2012 Stock Option Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock reserved and awarded 104,035  
Award expiration period 10 years  
Exercise price per share $ 15.65  
Total unrecognized compensation costs $ 112,395