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Stock-Based Compensation and Stock Options (Details) - Stock Options - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2013
Jan. 31, 2012
Nov. 30, 2009
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Stock-Based Compensation (Textual) [Abstract]                
Share based payment award, options, valuation assumption, forfeiture rate (percent)           0.00%    
November 2009 Plan                
Stock-Based Compensation (Textual) [Abstract]                
Employee options granted to purchase shares of common stock (in shares)     300,000          
Exercise price of employee option shares of common stock (in dollars per share)     $ 14.97          
Options vest and become exercisable annually (in shares)     75,000          
Options outstanding (in shares)       300,000   300,000    
Options vested (in shares)       300,000   300,000    
Total stock-based compensation         $ 187,000   $ 375,000  
Unrecognized stock-based compensation expense       $ 0 0 $ 0 0  
January 2012 Plan                
Stock-Based Compensation (Textual) [Abstract]                
Employee options granted to purchase shares of common stock (in shares)   100,000            
Exercise price of employee option shares of common stock (in dollars per share)   $ 28.98            
Options vest and become exercisable annually (in shares)   25,000            
Options outstanding (in shares)       50,000   50,000    
Options vested (in shares)       37,500   37,500    
Options canceled (in shares)               25,000
Options forfeited (in shares)               25,000
Total stock-based compensation       $ 60,000 60,000 $ 119,000 134,000  
Unrecognized stock-based compensation expense       $ 129,000   $ 129,000    
Expected duration for recognition of stock based compensation expense (in years)           6 months 23 days    
July 2013 Plan                
Stock-Based Compensation (Textual) [Abstract]                
Employee options granted to purchase shares of common stock (in shares) 75,000              
Exercise price of employee option shares of common stock (in dollars per share) $ 29.58              
Options vest and become exercisable annually (in shares) 25,000              
Options outstanding (in shares)       75,000   75,000    
Options vested (in shares)       0   0    
Total stock-based compensation       $ 89,000 $ 177,000 $ 89,000 $ 177,000  
Unrecognized stock-based compensation expense       $ 727,000   $ 727,000    
Expected duration for recognition of stock based compensation expense (in years)           2 years 22 days