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		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Abstract]
Net loss	$ (8,611)	$ (7,234)	$ (15,090)	$ (18,760)
Weighted-average shares used in per share calculation - basic and diluted	107,425	102,369	106,690	101,677
Net loss per share - basic and diluted	$ (0.08)	$ (0.07)	$ (0.14)	$ (0.18)