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Note 1 - Organization and Summary of Significant Accounting Policies (Detail) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate     0.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum     0.73%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum     1.20%  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 3 years 87 days 3 years 306 days   2 years 244 days
Inventory, Gross (in Dollars) $ 1,058   $ 1,489  
Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate     181.00%  
Property, Plant and Equipment, Estimated Useful Lives two      
Finite-Lived Intangible Asset, Useful Life 15 years      
Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate     186.00%  
Property, Plant and Equipment, Estimated Useful Lives     seven  
Finite-Lived Intangible Asset, Useful Life 20 years