CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balance at Jun. 30, 2011	$ 189,429	$ 156	$ 276,484	$ (86,862)	$ (349)
Balance (in shares) at Jun. 30, 2011		155,792,524
Increase (Decrease) in Shareholders' Equity
Net loss	(149,313)			(149,313)
Reclassification of other than temporary impairments of securities included in net income	472				472
Unrealized (loss) on available-for-sale securities	(123)				(123)
Common stock issued for:
Cash	28,162	10	28,152
Cash (in shares)		10,000,000
Exercise of warrants (in shares)		340,208
Exercise of options	670	1	669
Exercise of options (in shares)		804,999
Amortization of fair value of stock options	6,770		6,770
Balance at Jun. 30, 2012	76,067	167	312,075	(236,175)
Balance (in shares) at Jun. 30, 2012		166,937,731
Increase (Decrease) in Shareholders' Equity
Net loss	(11,254)			(11,254)
Common stock issued for:
Exercise of options	358	1	357
Exercise of options (in shares)	730,000	730,000
Amortization of fair value of stock options	2,796		2,796
Balance at Dec. 31, 2012	$ 67,967	$ 168	$ 315,228	$ (247,429)
Balance (in shares) at Dec. 31, 2012		167,667,731