Stockholders' Equity (Public Offerings of Common Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Jun. 30, 2015	May. 28, 2015	Apr. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Class of Stock [Line Items]
Proceeds from issuance of stock				$ 12,459	$ 31,812
Common Stock
Class of Stock [Line Items]
Shares issued (in shares)	2,048,780	3,626,179	4,375,000
Share price	$ 2.05	$ 2.50	$ 8.00	$ 2.05
Proceeds from issuance of stock	$ 3,878	$ 8,442	$ 31,800