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Note 6 - Prepaid Expenses and Other Receivables
9 Months Ended
Sep. 30, 2019
Other Income and Expenses [Abstract]  
Other Income and Other Expense Disclosure [Text Block]

Note 6 - Prepaid Expenses and Other Receivables


Prepaid expenses and other receivables consisted of the following at September 30, 2019 and December 31, 2018: 


   

September 30,

2019

   

December 31,

2018

 
                 

Prepaid expenses

  $ 234,260     $ 96,197  

Other receivables

    146,453       9,615  

Total

  $ 380,713     $ 105,812  

As of September 30, 2019 and December 31, 2018, prepaid expenses and other receivables mainly represented prepaid insurance, a Paypal account balance and an account balance with a stock broker in connection with the share repurchase program (Note 10).