CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Property and equipment, accumulated depreciation (in dollars)	$ 1,443	$ 798
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	350,000,000	250,000,000
Common stock, shares issued	166,937,731	155,792,524
Common stock, shares outstanding	166,937,731	155,792,524