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Note 9 - Prepaid Expenses and Other
 3 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Prepaid Expenses and Other [Text Block]
9.
 PREPAID EXPENSES AND OTHER
 
Included in prepayments at
March 31, 2021
was
$1.4
million relating to deposits for a range of hardware devices. These devices were ordered in conjunction with the Company securing the recent license contracts in Africa, and are expected to be delivered over the next few quarters as the hardware is deployed.
 
   
March 31,
    
December 31,
  
   
2021
    
2020
  
                 
                 
Deposit for inventory
   $
1,423,445
     $
66,995
  
Other prepaid expenses
    
109,371
      
64,178
  
Insurance
    
46,935
      
45,468
  
Software licenses
    
26,410
      
24,866
  
Total prepayments
   $
1,606,161
     $
201,507