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Stock Options and Restricted Stock (Details 2) (USD $)
9 Months Ended
Mar. 31, 2014
Plan 2012 [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested restricted stock awards outstanding - Number of shares - Beginning balance 5,200
Granted - Number of shares 33,100
Vested - Number of shares (3,600)
Unvested restricted stock awards outstanding - Number of shares - Ending balance 34,700
Unvested restricted stock awards outstanding - Weighted Average Grant Date Fair Value - Beginning balance $ 14.49
Granted - Weighted Average Grant Date Fair Value $ 18.67
Vested - Weighted Average Grant Date Fair Value $ 14.33
Unvested restricted stock awards outstanding - Weighted Average Grant Date Fair Value - Ending balance $ 18.50
Plan 2006 [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested restricted stock awards outstanding - Number of shares - Beginning balance 91,100
Granted - Number of shares 0
Vested - Number of shares (30,300)
Unvested restricted stock awards outstanding - Number of shares - Ending balance 60,800
Unvested restricted stock awards outstanding - Weighted Average Grant Date Fair Value - Beginning balance $ 12.52
Granted - Weighted Average Grant Date Fair Value $ 0
Vested - Weighted Average Grant Date Fair Value $ 12.61
Unvested restricted stock awards outstanding - Weighted Average Grant Date Fair Value - Ending balance $ 12.47