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Note 13 - Revenue by Product Group, by Significant Customer and by Geographic Region; Geographic Information (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 13 - Revenue by Product Group, by Significant Customer and by Geographic Region; Geographic Information (Details) [Line Items]      
Sales Revenue, Services, Net $ 3,307,424 $ 3,348,336 $ 2,822,249
Licensing Milestone Contract Revenue [Member]
     
Note 13 - Revenue by Product Group, by Significant Customer and by Geographic Region; Geographic Information (Details) [Line Items]      
Sales Revenue, Services, Net $ 3,307,424 $ 3,348,336 $ 2,822,249