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Note 2 - Accrued Expenses (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
    September 30, 2016   December 31, 2015
         
Accrued commissions   $ 264,637     $ 440,232  
Other accrued expenses     216,013       112,414  
Reserve for processing losses     212,018       248,868  
Accrued taxes     42,539       54,077  
Accrued salaries     75,592       23,147  
Indemnification liability    
-
     
450,000
 
Total accrued expenses   $ 810,799     $ 1,328,738