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Stock-Based Incentive Plan (Details 4) (Restricted Stock, USD $)
 3 Months Ended 6 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Restricted Stock
        
Stock-Based Incentive Plan        
Stock-based compensation expense $ 316,422 $ 393,579 $ 689,860 $ 747,369
Number of Restricted Shares        
Unvested at the beginning of the period (in shares)     386,599  
Granted (in shares)     16,476  
Vested (in shares)     (142,404)  
Forfeited (in shares)     (9,066)  
Unvested at the end of the period (in shares) 251,605   251,605  
Weighted Average Grant-Date Fair Value        
Unvested at the beginning of the period (in dollars per share)     $ 6.65  
Granted (in dollars per share)     $ 12.14  
Vested (in dollars per share)     $ 6.21  
Forfeited (in dollars per share)     $ 5.98  
Unvested at the end of the period (in dollars per share) $ 7.28   $ 7.28  
Additional disclosures of restricted stock        
Unrecognized stock compensation expense related to Restricted Stock grants $ 1,359,862   $ 1,359,862  
Weighted average remaining service period over which unrecognized compensation cost is expected to be recognized     1 year 9 months 18 days