Note 12 - Warrants (Detail) - Warrants - Fair Value Weighted Average Assumptions (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Stock Price (in Dollars per share)	$ 2.15	$ 2.15
Exercise Price (in Dollars per share)	$ 15.36	$ 8.56
Expected Volatility	135.00%	105.00%
Expected Dividend Yield	0.00%	0.00%
Expected Term (in years)	3 years 292 days	4 years 292 days
Risk-free Interest Rate	0.36%	0.77%

Exercise price of the warrants.

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