Stock Incentive Plan - Summary of Options (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Mar. 31, 2016 USD ($) $ / shares shares
Stock Incentive Plan [Abstract]
Number of Shares, Options outstanding, beginning of year | shares	4,525,340
Number of Shares, Options granted | shares	607,431
Number of Shares, Options exercised | shares	(88,250)
Number of Shares, Options cancelled or forfeited | shares	(89,888)
Number of Shares, Options outstanding, end of year | shares	4,954,633
Number of Shares, Options exercisable, end of year | shares	3,543,479
Weighted Average Exercise Price, Options outstanding, beginning of year | $ / shares	$ 3.48
Weighted Average Exercise Price, Options granted | $ / shares	2.04
Weighted Average Exercise Price, Options exercised | $ / shares	2.24
Weighted Average Exercise Price, Options cancelled or forfeited | $ / shares	4.16
Weighted Average Exercise Price, Options outstanding, end of year | $ / shares	3.31
Weighted Average Exercise Price, Options exercisable, end of year | $ / shares	$ 3.32
Weighted Average Remaining Contractual Life of outstanding stock options	3 years 3 months 18 days
Weighted Average Remaining Contractual Life of exercisable stock options	2 years 4 months 10 days
Aggregate Intrinsic Value of outstanding stock options | $	$ 370
Aggregate Intrinsic Value of exercisable stock options | $	$ 38