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Note 1 - Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2013
Accounting Policies [Abstract]  
Allowance for Credit Losses on Financing Receivables [Table Text Block]
   

2013

   

2012

 

Allowance for doubtful accounts at the beginning of the period

  $ 1,243,500     $ 389,032  

Bad debt expense

    45,425       1,078,365  

Amount of receivables written off

    (112,101 )     (248,895

)

Effect of currency translation

    33,559       24,998  

Allowance for doubtful accounts at the end of the period

  $ 1,210,383     $ 1,243,500