CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data	Total USD ($)	Preferred Stock Series A Preferred	Common Stock USD ($)	Additional Paid-in Capital USD ($)	Accumulated Deficit USD ($)	Other Comprehensive Income USD ($)	Comprehensive Loss USD ($)
Balance at Jun. 30, 2010	$ 21,526		$ 104	$ 97,046	$ (75,624)
Balance (in shares) at Jun. 30, 2010		1,945	104,227,199
Increase (Decrease) in Stockholders' Equity
Net loss	(11,238)				(11,238)		(11,238)
Unrealized gain (loss) on available-for-sale securities	(349)					(349)	(349)
Total comprehensive loss	(11,587)						(11,587)
Common stock issued for:
Cash	165,999		44	165,955
Cash (in shares)			43,750,000
Exercise of warrants	7,709		6	7,703
Exercise of warrants (in shares)			6,339,927
Exercise of options	906		1	905
Exercise of options (in shares)			858,613
Cashless exercise of warrants classified as a derivative	1,354		1	1,353
Cashless exercise of warrants classified as a derivative (in shares)			384,848
Series A settlement	1,183			1,183
Series A settlement (in shares)		(1,945)	231,937
Settlement charge	(811)			(811)
Amortization of fair value of stock options	3,150			3,150
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 Stockholders' Equity
Net loss	(4,376)				(4,376)		(4,376)
Unrealized gain (loss) on available-for-sale securities	(299)					(299)	(299)
Total comprehensive loss	(4,675)						(4,675)
Common stock issued for:
Exercise of options	588		1	587
Exercise of options (in shares)			643,333
Amortization of fair value of stock options	1,611			1,611
Balance at Sep. 30, 2011	$ 186,953		$ 157	$ 278,682	$ (91,238)	$ (648)
Balance (in shares) at Sep. 30, 2011			156,435,857