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Note 1 - The Company and Summary of Significant Accounting Policies (Details) - USD ($)
Sep. 30, 2015
Dec. 31, 2014
Liabilities    
Accrued expense $ 3,576,000 $ 3,085,000
FairValueInputsLevel1Member    
Assets    
Asset 0  
Liabilities    
Warrant liability 0  
Accrued expense 0  
FairValueInputsLevel2Member    
Assets    
Asset 0  
Liabilities    
Warrant liability 11,345,000  
Accrued expense 3,043,000  
FairValueInputsLevel3Member    
Assets    
Asset 0  
Liabilities    
Warrant liability 0  
Accrued expense $ 0