CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified	Total USD ($)	Common Stock USD ($)	Additional Paid-in Capital USD ($)	Accumulated Deficit USD ($)	Accumulated Other Comprehensive Income (Loss) USD ($)	Comprehensive Loss USD ($)	Series A Preferred Preferred Stock	Series B Preferred Preferred Stock
Balance at Jun. 30, 2009	$ 2,669	$ 64	$ 70,220	$ (67,615)
Balance (in shares) at Jun. 30, 2009		64,162,813					1,945	2,406
Increase (Decrease) in Shareholders' Equity
Net loss	(8,009)			(8,009)
Common stock issued for:
Services	324		324
Services (in shares)		442,049
Conversion of Series B Preferred Stock		16	(16)
Conversion of Series B Preferred Stock (in shares)		15,822,222						(2,406)
Conversion of debentures	1,296	2	1,294
Conversion of debentures (in shares)		1,949,411
Cash	17,200	17	17,183
Cash (in shares)		16,878,096
Exercise of warrants	4,414	5	4,409
Exercise of warrants (in shares)		4,646,465
Exercise of options (in shares)	220,000
Cashless Exercise of options (in shares)		124,653
Cashless Exercise of warrants classified as a derivative	723		723
Cashless Exercise of warrants classified as a derivative (in shares)		201,490
Amortization of fair value of stock options	1,579		1,579
Discount related to modification of convertible debt	1,172		1,172
Warrant repricing charged to interest expense	158		158
Warrant repricing
Deemed dividend	322		322
Deemed dividend	(322)		(322)
Balance at Jun. 30, 2010	21,526	104	97,046	(75,624)
Balance (in shares) at Jun. 30, 2010		104,227,199					1,945
Increase (Decrease) in Shareholders' 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	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)		231,937					(1,945)
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 Shareholders' Equity
Net loss	(149,313)			(149,313)		(149,313)
Reclassification of other than temporary impairments of securities included in net income	472				472	472
Unrealized Gain (Loss) on available-for-sale securities	(123)				(123)	(123)
Total Comprehensive (Loss)	(148,964)					(148,964)
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	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