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Stock-Based Compensation (Schedule of Stock Option Activity) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Stock options      
Balance at the beginning of period 366,400 261,400  
Granted 13,000 105,000  
Exercised 0 0  
Forfeited (34,667) 0  
Balance at the end of period 344,733 366,400 261,400
Exercisable at the end of period 250,068    
Weighted average exercise price      
Balance at the beginning of period $ 9.92 $ 9.81  
Granted 8.98 10.21  
Exercised 0 0  
Forfeited 15.21 0  
Balance at the end of period 9.35 $ 9.92 $ 9.81
Exercisable at the end of period $ 9.46    
Weighted average remaining contractual term      
Balance 6 years 6 months 6 years 10 months 24 days 6 years 10 months 24 days
Granted (in years) 9 years 3 months 18 days 9 years 2 months 12 days  
Forfeited (in years) 7 years 10 months 24 days    
Exercisable at the end of period (in years) 5 years 10 months 24 days    
Aggregate intrinsic value      
Balance at the beginning of period $ 562,820 $ 562,820  
Granted 0 0  
Exercised 0 0  
Balance at the end of period 0 $ 562,820 $ 562,820
Exercisable at the end of period $ 0