Stock Options and Restricted Stock Awards (Shares Available for Grant) (Details) - shares	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Shares available for grant
Beginning balance (in shares)	1,114,935	1,864,455	0
Reserved (in shares)			2,030,000
Granted (in shares)	(649,236)	(883,019)	(171,411)
Forfeited or cancelled (in shares)	415,700	133,499	5,866
Ending balance (in shares)	881,399	1,114,935	1,864,455