Line of Business and Recent Acquisition - Pro Forma (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues	$ 6,488	$ 5,611	$ 12,498	$ 9,414
Operating loss	(12,978)	(13,981)	(37,379)	(36,944)
Net loss	$ (13,775)	$ (13,534)	$ (38,863)	$ (34,088)
Net loss per common share - basic and diluted (in dollars per share)	$ (0.12)	$ (0.11)	$ (0.31)	$ (0.28)