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Stock-Based Compensation; Changes in Equity (Details 2) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Options Outstanding (in shares) 228,500 228,500
Weighted Average, Options Outstanding (in dollars per share) $ 5.23 $ 5.23
Remaining Life, Options Outstanding 2 years 6 months 3 years
Intrinsic Value, Options Outstanding (in dollars) $ 49,855 $ 161,250
Shares, Options Vested (in shares) 120,182  
Weighted Average, Options Vested (in dollars per share) $ 4.92  
Remaining Life, Option Vested 2 years 2 months 12 days  
Intrinsic Value, Options Vested (in dollars) 49,855  
Stock Options By Grant Date Dec 2005 [Member]
    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Options Outstanding (in shares) 29,500  
Weighted Average, Options Outstanding (in dollars per share) $ 2.88  
Remaining Life, Options Outstanding 1 year 6 months  
Intrinsic Value, Options Outstanding (in dollars) 49,855  
Shares, Options Vested (in shares) 29,500  
Weighted Average, Options Vested (in dollars per share) $ 2.88  
Remaining Life, Option Vested 1 year 6 months  
Intrinsic Value, Options Vested (in dollars) 49,855  
Stock Options By Grant Date Dec 2010 [Member]
    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Options Outstanding (in shares) 72,000  
Weighted Average, Options Outstanding (in dollars per share) $ 6.14  
Remaining Life, Options Outstanding 1 year 6 months  
Intrinsic Value, Options Outstanding (in dollars) 0  
Shares, Options Vested (in shares) 39,750  
Weighted Average, Options Vested (in dollars per share) $ 5.97  
Remaining Life, Option Vested 1 year 6 months  
Intrinsic Value, Options Vested (in dollars) 0  
Stock Options By Grant Date Jan 2011 [Member]
    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Options Outstanding (in shares) 8,000  
Weighted Average, Options Outstanding (in dollars per share) $ 5.96  
Remaining Life, Options Outstanding 1 year 6 months  
Intrinsic Value, Options Outstanding (in dollars) 0  
Shares, Options Vested (in shares) 5,332  
Weighted Average, Options Vested (in dollars per share) $ 5.96  
Remaining Life, Option Vested 1 year 6 months  
Intrinsic Value, Options Vested (in dollars) 0  
Stock Options By Grant Date Nov 2012 [Member]
    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Options Outstanding (in shares) 109,000  
Weighted Average, Options Outstanding (in dollars per share) $ 5.17  
Remaining Life, Options Outstanding 3 years 4 months 24 days  
Intrinsic Value, Options Outstanding (in dollars) 0  
Shares, Options Vested (in shares) 43,600  
Weighted Average, Options Vested (in dollars per share) $ 5.17  
Remaining Life, Option Vested 3 years 4 months 24 days  
Intrinsic Value, Options Vested (in dollars) 0  
Stock Options By Grant Date Nov 2013 [Member]
    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Options Outstanding (in shares) 10,000  
Weighted Average, Options Outstanding (in dollars per share) $ 5.75  
Remaining Life, Options Outstanding 4 years 4 months 24 days  
Intrinsic Value, Options Outstanding (in dollars) 0  
Shares, Options Vested (in shares) 2,000  
Weighted Average, Options Vested (in dollars per share) $ 5.75  
Remaining Life, Option Vested 4 years 4 months 24 days  
Intrinsic Value, Options Vested (in dollars) $ 0