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Shareholders' Equity (Schedule of Stock Option Activity) (Details) - 2011 Long-Term Incentive Plan [Member] - $ / shares
 9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Stock options:    
Balance at the beginning of period 366,400  
Granted 13,000  
Exercised  
Forfeited (30,000)  
Outstanding at the end of period 349,400 366,400
Exercisable at the end of period 250,068  
Weighted average exercise price;    
Balance at the beginning of period, per share $ 9.92  
Granted, per share 8.98  
Outstanding at the end of period, per share 9.34 $ 9.92
Exercisable at the end of period, per share $ 9.46  
Weighted average remaining contractual term:    
Weighted average remaining contractual term 6 years 9 months 18 days 6 years 10 months 24 days
Granted (in years) 9 years 6 months  
Exercisable at the end of period (in years) 6 years 2 months 12 days