Note 9 - Warrants (Detail) - Warrants - Fair Value Weighted Average Assumptions (USD $)	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Stock Price (in Dollars per share)	$ 0.74	$ 1.34
Exercise Price (in Dollars per share)	$ 2.56	$ 2.56
Expected Volatility	112.00%	101.00%
Expected Dividend Yield	0.00%	0.00%
Expected Term (in years)	4 years	5 years
Risk-free Interest Rate	0.37%	0.38%

Exercise price of the warrants.

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