Note 16 - Income Taxes (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Note 16 - Income Taxes (Details) [Line Items]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 34.00%  
Valuation Allowance as Percentage of Deferred Tax Asset 100.00%  
Deferred Tax Assets, Operating Loss Carryforwards, Domestic $ 73,200,000  
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 71,000,000  
Valuation Allowance, Deferred Tax Asset, Change in Amount 1,100,000  
Change In Control Ownership Threshold 50.00%  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 128,000 121,000
Domestic Tax Authority [Member]
   
Note 16 - Income Taxes (Details) [Line Items]    
Deferred Tax Assets, Tax Credit Carryforwards, Research 361,000  
State and Local Jurisdiction [Member]
   
Note 16 - Income Taxes (Details) [Line Items]    
Deferred Tax Assets, Tax Credit Carryforwards, Research $ 231,000