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Stock-Based Compensation (Details) (Stock Options [Member], USD $)
 3 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2014
Nov. 30, 2009
November 2009 Plan
Mar. 31, 2014
November 2009 Plan
Mar. 31, 2013
November 2009 Plan
Jan. 31, 2012
January 2012 Plan
Mar. 31, 2014
January 2012 Plan
Mar. 31, 2013
January 2012 Plan
Jul. 31, 2013
July 2013 Plan
Mar. 31, 2014
July 2013 Plan
Stock-Based Compensation (Textual) [Abstract]                  
Employee options granted to purchase shares of common stock   300,000     100,000     75,000  
Exercise price of employee option shares of common stock   $ 14.97     $ 28.98     $ 29.58  
Options vest and become exercisable annually   75,000     25,000     25,000  
Options Vested     225,000     50,000     0
Options outstanding     300,000     100,000     75,000
Total stock-based compensation     $ 187,000 $ 187,000   $ 119,000 $ 119,000   $ 89,000
Unrecognized stock-based compensation expense     $ 187,000     $ 854,000     $ 1,200,000
Expected duration for recognition of stock based compensation expense     0 years 3 months     1 year 10 months     3 years 5 months
Share based payment award, options, valuation assumption, forfeiture rate 0.00%