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Note 4 - Other Assets (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule of Other Assets [Table Text Block]
   
2015
   
2014
 
Technology licenses
  $ 248,855     $ 248,855  
Accumulated amortization – technology licenses
   
(248,855
)     (248,855 )
Deposits     11,010       11,010  
Total other assets
  $ 11,010     $ 11,010