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 ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Options    
Options, beginning balance (shares) 741,327  
Granted through stock option plan (shares) 85,705  
Cancellations, expirations and forfeitures (shares) (1,250)  
Options, ending balance (shares) 825,782  
Shares exercisable at end of the period 372,376  
Weighted Average Exercise Price Per Share    
Beginning balance (in dollars per share) $ 17.89  
Granted through stock option plan (in dollars per share) 17.49  
Cancellations, expirations and forfeitures (usd per share) 20.48  
Ending balance (in dollars per share) 17.85  
Shares exercisable at end of period (in dollars per share) $ 14.87  
Intrinsic value, balance $ 1,543 $ 1,514
Intrinsic Value, Shares exercisable at end of period $ 1,340  
Outstanding, Weighted Average Grant Date Fair Value (in dollars per share) $ 6.08 $ 6.19
Shares exercisable at end of period, Weighted Average Grant Date Fair Value (in dollars per share) $ 6.03