Consolidated Statements of Changes in Stockholders' Equity and Comprehensive Loss (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Lower range of exercise of stock options and warrants (in usd per share)	$ 5.01	$ 7.90	$ 7.90
Upper range of exercise of stock options and warrants (in usd per share)	$ 18.55	$ 13.98	$ 12.15
Issuance costs	$ 5,631	$ 2,125	$ 1,131
Common Stock
Lower range of exercise of stock options and warrants (in usd per share)	$ 5.01	$ 7.90	$ 7.90
Upper range of exercise of stock options and warrants (in usd per share)	$ 18.55	$ 13.98	$ 12.15
Issuance costs	5,631	2,125	1,131
Additional Paid In Capital
Lower range of exercise of stock options and warrants (in usd per share)	$ 5.01	$ 7.90	$ 7.90
Upper range of exercise of stock options and warrants (in usd per share)	$ 18.55	$ 13.98	$ 12.15
Issuance costs	$ 5,631	$ 2,125	$ 1,131
Warrants
Lower range of exercise of stock options and warrants (in usd per share)	$ 5.01	$ 7.90	$ 7.90
Upper range of exercise of stock options and warrants (in usd per share)	$ 18.55	$ 13.98	$ 12.15