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Stock-Based Incentive Plan (Details 4) (Restricted Stock, USD $)
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Restricted Stock
   
Stock-Based Incentive Plan    
Stock-based compensation expense $ 373,438 $ 327,516
Number of Restricted Shares    
Unvested at the beginning of the period (in shares) 386,599  
Vested (in shares) (61,345)  
Unvested at the end of the period (in shares) 325,254  
Weighted Average Grant-Date Fair Value    
Unvested at the beginning of the period (in dollars per share) $ 6.65  
Vested (in dollars per share) $ 5.01  
Unvested at the end of the period (in dollars per share) $ 6.96  
Additional disclosures of restricted stock    
Unrecognized stock compensation expense related to Restricted Stock grants $ 1,905,882  
Weighted average remaining service period over which unrecognized compensation cost is expected to be recognized 2 years 1 month 6 days