Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended	61 Months Ended
	Mar. 05, 2013	Oct. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2011	Oct. 19, 2010	Jun. 30, 2006	Jul. 31, 2013 Subsequent Event [Member]	Mar. 05, 2013 Non-Convertible Secured Debt [Member]	Mar. 05, 2013 Term Loan [Member]
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Net Income (Loss) Available to Common Stockholders, Diluted			$ (4,461,000)	$ (4,584,000)	$ (11,900,000)	$ (9,032,000)
Working Capital	17,500,000		6,900,000		6,900,000
Net Cash Provided by (Used in) Operating Activities					(10,551,000)	(6,064,000)
Payments for Extension of Option Agreement					3,300,000
Proceeds from Convertible Debt								36,400,000
Line of Credit Facility, Maximum Borrowing Capacity		10,000,000							10,000,000
Proceeds from Lines of Credit (in Dollars)	17,500,000	5,000,000
Debt Instrument, Face Amount										36,400,000			66,000,000
Secured Debt			30,783,000		30,783,000							30,000,000
Outstanding Debt Held In Convertible Bond Instrument	36,000,000
Shelf Registration Value											40,000,000
Fair Value of Assets Acquired					$ 923,000		$ 1,090,000