Share-Based Compensation - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Summary of Stock Option Activity (shares)
Options, Granted (in shares)			0
Employee Stock Option
Summary of Stock Option Activity (shares)
Options, Outstanding beginning balance (in shares)	310,000	383,000	462,000
Options, Granted (in shares)	461,000	0	0
Options, Exercised (in shares)	(21,000)	(4,000)	(46,000)
Options, Forfeited (in shares)	(20,000)	(62,000)	(33,000)
Options, Expired or canceled (in shares)	0	(7,000)	0
Options, Outstanding ending balance (in shares)	730,000	310,000	383,000
Weighted Average Exercise Price (dollars per share)
Weighted average exercise price, Outstanding beginning balance (dollars per share)	$ 6.35	$ 7.28	$ 7.87
Weighted average exercise price, Granted (dollars per share)	4.44	0.00	0.00
Weighted average exercise price, Exercised (dollars per share)	2.96	4.14	5.66
Weighted average exercise price, Forfeited (dollars per share)	16.26	12.64	17.85
Weighted average exercise price, Expired or canceled (dollars per share)	0.00	2.45	0.00
Weighted average exercise price, Outstanding ending balance (dollars per share)	$ 4.96	$ 6.35	$ 7.28
Weighted Average Remaining Contractual Term
Weighted average remaining contractual term, Outstanding	6 years 8 months 10 days
Additional Disclosures
Options, Exercisable (shares)	268,000
Weighted average exercise price, Exercisable (dollars per share)	$ 5.86
Weighted average remaining contractual term, Exercisable	1 year 8 months 12 days
Aggregate intrinsic value, Exercised	$ 33	$ 17	$ 209
Aggregate intrinsic value, Outstanding ending balance	1,310
Aggregate intrinsic value, Exercisable	$ 420