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Note 14 - Warrants (Details) - Modified Warrants Fair Value Assumptions
9 Months Ended
Sep. 30, 2013
RSI Warrants [Member]
 
Note 14 - Warrants (Details) - Modified Warrants Fair Value Assumptions [Line Items]  
Risk-free interest rate 3.24%
Expected term 6 years
Expected volatility 105.70%
MATT Warrants [Member]
 
Note 14 - Warrants (Details) - Modified Warrants Fair Value Assumptions [Line Items]  
Risk-free interest rate 1.96%
Expected term 10 years
Expected volatility 90.40%