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Stock-Based Incentive Plan - Unvested Restricted Stock (Details)
9 Months Ended
Mar. 31, 2016
USD ($)
$ / shares
shares
Restricted Stock, Service-Based  
Number of Restricted Shares  
Granted (in shares) | shares 164,610
Unvested at the end of the period (in shares) | shares 230,400
Weighted Average Grant-Date Fair Value  
Granted (in dollars per share) | $ / shares $ 5.84
Unvested at the end of the period (in dollars per share) | $ / shares $ 7.14
Restricted Stock, Performance-Based  
Stock-Based Incentive Plan  
Potential future compensation expense | $ $ 244,486
Number of Restricted Shares  
Granted (in shares) | shares 64,752
Unvested at the end of the period (in shares) | shares 89,079
Weighted Average Grant-Date Fair Value  
Granted (in dollars per share) | $ / shares $ 6.09
Unvested at the end of the period (in dollars per share) | $ / shares $ 7.17
Restricted Stock, Market-Based  
Number of Restricted Shares  
Granted (in shares) | shares 64,752
Unvested at the end of the period (in shares) | shares 93,254
Weighted Average Grant-Date Fair Value  
Granted (in dollars per share) | $ / shares $ 4.58
Unvested at the end of the period (in dollars per share) | $ / shares $ 5.50
Restricted Stock  
Number of Restricted Shares  
Unvested at the beginning of the period (in shares) | shares 262,227
Vested (in shares) | shares (80,834)
Forfeited (in shares) | shares (62,774)
Unvested at the end of the period (in shares) | shares 412,733
Weighted Average Grant-Date Fair Value  
Unvested at the beginning of the period (in dollars per share) | $ / shares $ 9.37
Vested (in dollars per share) | $ / shares 8.68
Forfeited (in dollars per share) | $ / shares 9.72
Unvested at the end of the period (in dollars per share) | $ / shares $ 6.78
Additional disclosures of restricted stock  
Unrecognized stock compensation expense related to Restricted Stock | $ $ 2,125,092 [1]
Weighted average remaining service period over which unrecognized compensation cost is expected to be recognized 2 years 9 months 18 days
Contingent Restricted Stock, Performance-Based  
Stock-Based Incentive Plan  
Potential future compensation expense | $ $ 319,438
Number of Restricted Shares  
Granted (in shares) | shares 32,376
Unvested at the end of the period (in shares) | shares 44,542
Weighted Average Grant-Date Fair Value  
Granted (in dollars per share) | $ / shares $ 6.09
Unvested at the end of the period (in dollars per share) | $ / shares $ 7.17
Contingent Restricted Stock, Market-Based  
Number of Restricted Shares  
Granted (in shares) | shares 32,376
Unvested at the end of the period (in shares) | shares 46,630
Weighted Average Grant-Date Fair Value  
Granted (in dollars per share) | $ / shares $ 2.93
Unvested at the end of the period (in dollars per share) | $ / shares $ 3.34
Contingent Restricted Stock  
Number of Restricted Shares  
Unvested at the beginning of the period (in shares) | shares 56,286
Forfeited (in shares) | shares (29,866)
Unvested at the end of the period (in shares) | shares 91,172
Weighted Average Grant-Date Fair Value  
Unvested at the beginning of the period (in dollars per share) | $ / shares $ 8.20
Forfeited (in dollars per share) | $ / shares 9.33
Unvested at the end of the period (in dollars per share) | $ / shares $ 5.21
Additional disclosures of restricted stock  
Unrecognized stock compensation expense related to Restricted Stock | $ $ 118,058 [2]
Weighted average remaining service period over which unrecognized compensation cost is expected to be recognized 3 years
[1] Excludes $244,486 of potential future compensation expense for performance-based awards for which vesting is not considered probable at this time for accounting purposes.
[2] Excludes $319,438 of potential future compensation expense for performance-based awards for which vesting is not considered probable at this time for accounting purposes.