Net Loss Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net loss	$ (6,479)	$ (11,526)
Weighted-average shares used in per share calculation - basic and diluted	105,955	100,985
Net loss per share - basic and diluted	$ (0.06)	$ (0.11)