Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Option Activity Rollforward) (Details)

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Stockholders' Equity (Option Activity Rollforward) (Details) - USD ($)
 3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Jun. 30, 2015
Equity [Abstract]          
Share-based compensation expense $ 102,705 $ 35,499 $ 180,046 $ 112,719  
Total compensation cost not yet recognized $ 2,100,000   $ 2,100,000    
Period for recognition of nonvested awards (in years)     8 months 13 days    
Options          
Options, beginning balance (shares)     233,127    
Granted through stock option plan (shares)     300,000    
Options, ending balance (shares) 533,127   533,127    
Shares exercisable at end of the period 183,184   183,184    
Weighted Average Exercise Price Per Share          
Beginning balance (in dollars per share)     $ 9.89    
Granted through stock option plan (in dollars per share)     23.03    
Ending balance (in dollars per share) $ 17.29   17.29    
Shares exercisable at end of period (in dollars per share) $ 10.30   $ 10.30    
Intrinsic value, balance $ 2,343,000   $ 2,343,000   $ 283,000
Intrinsic Value, Shares exercisable at end of period $ 1,759,000   $ 1,759,000    
Weighted Average per share Grant Date Fair Value, beginning balance (in dollars per share) $ 6.25   $ 6.25   $ 5.96
Weighted Average per share Grant Date Fair Value, Shares exercisable at end of period (in dollars per share) $ 5.91   $ 5.91