Note 1 - Organization and Basis of Presentation (Details) (USD $)	0 Months Ended	1 Months Ended					6 Months Ended		12 Months Ended	24 Months Ended	2 Months Ended	6 Months Ended	1 Months Ended
	Nov. 10, 2009	Feb. 28, 2010	Jul. 31, 2009	Nov. 30, 2008	Aug. 31, 2008	Jul. 31, 2008	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2012	Apr. 30, 2013 Subsequent Event [Member]	Jun. 30, 2013 Subsequent Event [Member]	Jul. 31, 2008 Scenario, Previously Reported [Member]	Jul. 31, 2008 Scenario, Actual [Member]
Note 1 - Organization and Basis of Presentation (Details) [Line Items]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds						$ 47,900,000
Business Combination, Consideration Transferred						45,000,000
Balance Sheet Adjustment For Sale Investment Stock													2,900,000	2,800,000
Proceeds from Issuance or Sale of Equity			4,400,000			43,400,000	551,000	1,488,000
Gain (Loss) on Disposition of Stock in Subsidiary			6,200,000
Equity Method Investment, Deferred Gain on Sale			4,500,000
Repayments of Debt						13,500,000			100,000
Payments to Employees						9,100,000
Payments of Dividends					15,800,000
Payments for (Proceeds from) Other Investing Activities				500,000
Conversion of Stock, Shares Issued (in Shares)	200,000
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Options Issued (in Shares)	100,000
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Warrants Issued (in Shares)	18,200
Stock Issued During Period, Shares, Acquisitions (in Shares)		12,000
Stock Issued During Period, Value, Acquisitions		351,000
Common Stock, Shares Authorized (in Shares)							470,000,000		470,000,000	470,000,000
Working Capital Deficiency							(6,400,000)		(4,600,000)	(4,600,000)
Retained Earnings (Accumulated Deficit)							(119,193,000)		(111,329,000)	(111,329,000)
Proceeds from Issuance of Convertible Preferred Stock										7,400,000
Proceeds from convertible debt and sale of equity												800,000
Payment of Financing and Stock Issuance Costs							300,000
Proceeds from License Fees Received											$ 1,500,000
Number of Installments											2