Stockholders' Equity (Series B Convertible Preferred Stock) (Details) - Series B Convertible Preferred Stock - USD ($) $ / shares in Units, $ in Thousands	Sep. 16, 2013	Jun. 30, 2015	Jun. 30, 2014
Class of Stock [Line Items]
Preferred stock, shares authorized	50,000	50,000	50,000
Preferred stock, stated value (usd per share)	$ 1,000	$ 1,000	$ 1,000
Redemption price (in dollars per share)	$ 92.00
Minimum percentage of capital stock sold to be considered a fundamental transaction	90.00%
Voting percentage of surviving entity (less than)	50.00%
Capital stock aggregate implied value	$ 125,000
Voting percentage required to create, issue or amend preferred stock	51.00%
Clause One | Minimum | Five Days
Class of Stock [Line Items]
Share price	$ 133.60
Clause Two
Class of Stock [Line Items]
Minimum shares of stock trading per day	25,000