Consolidated Statements of Stockholders' Equity (Deficit)) (Parenthetical) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Statement of Stockholders' Equity [Abstract]
Issuance of common stock in a registered direct offering, price per share		$ 8.85	$ 6.51
Issuance of common stock in a rights offering, price per share			$ 1.28
Issuance of common stock upon exercise of stock options and purchase rights at an average price, price per share	$ 6.12	$ 2.77	$ 1.58