Share-based Compensation (Narratives) (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance	15,578,378		15,578,378
Weighted-average grant-date fair value of options granted (in dollars per share)	$ 1.34	$ 2.71	$ 1.91	$ 2.39
2014 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance	12,000,000		12,000,000
1999 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance	66,382		66,382
Weighted-average grant-date fair value of options granted (in dollars per share)	$ 0.59	$ 1.62	$ 1.02	$ 1.44
2013 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance	3,511,996		3,511,996