Common Stock Incentive, Stock Purchase Plans, and Other Compensation Plans - Restricted Stock (Details) - Restricted Stock - $ / shares shares in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Shares
Non-vested, beginning of period (in shares)	155	336
Granted (in shares)	258	35
Vested (in shares)	(75)	(112)
Cancelled or expired (in shares)	(58)	(104)
Non-vested, end of period (in shares)	280	155
Weighted Average Grant-Date Fair Value
Non-vested, beginning of period (in dollars per share)	$ 3.14	$ 3.16
Granted (in dollars per share)	1.73	2.02
Vested (in dollars per share)	3.17	2.79
Cancelled or expired (in dollars per share)	2.38	3.20
Non-vested, end of period (in dollars per share)	$ 1.99	$ 3.14