Note 9 - Income Taxes (Detail) (USD $)	3 Months Ended			6 Months Ended	9 Months Ended				3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Mar. 21, 2011	Jun. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Mar. 31, 2011	Mar. 31, 2011 Operating Segments [Member]	Dec. 31, 2011 Restricted Stock [Member]	Dec. 31, 2011 Not Restricted [Member]
Income Tax Expense (Benefit)				$ (31,000)	$ 31	$ (31,000)
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)			5,000,000
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Percent Equity Securities								69.30%
Operating Income (Loss)	(9,209,000)	(1,243,000)			(16,438,000)	(1,546,000)			698,000
Operating Loss Carryforwards							$ 17,388,000			$ 13,963,000	$ 3,425,000