Stock Incentive Plan - Summary of Options (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Mar. 31, 2017 USD ($) $ / shares shares
Stock Incentive Plan
Number of Shares, Options outstanding, beginning of year | shares	4,015,895
Number of Shares, Options granted | shares	331,032
Number of Shares, Options exercised | shares	(559,810)
Number of Shares, Options cancelled or forfeited | shares	(204,083)
Number of Shares, Options outstanding, end of year | shares	3,583,034
Number of Shares, Options exercisable, end of year | shares	2,491,812
Weighted Average Exercise Price, Options outstanding, beginning of year | $ / shares	$ 3.42
Weighted Average Exercise Price, Options granted | $ / shares	3.44
Weighted Average Exercise Price, Options exercised | $ / shares	3.24
Weighted Average Exercise Price, Options cancelled or forfeited | $ / shares	4.21
Weighted Average Exercise Price, Options outstanding, end of year | $ / shares	3.40
Weighted Average Exercise Price, Options exercisable, end of year | $ / shares	$ 3.61
Weighted Average Remaining Contractual Life of outstanding stock options	3 years 5 months 16 days
Weighted Average Remaining Contractual Life of exercisable stock options	2 years 6 months 26 days
Aggregate Intrinsic Value of outstanding stock options | $	$ 10,987
Aggregate Intrinsic Value of exercisable stock options | $	$ 7,136