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Note 4 - Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Receivables with Imputed Interest [Table Text Block]
   
December 31,
   
2018
 
2017
                 
Trade accounts
  $
3,621,695
    $
828,287
 
Premiums
   
890,974
     
288,039
 
Anticipated salvage and subrogation
   
2,340
     
3,572
 
Allowance for doubtful accounts
   
(50,565
)    
(24,121
)
                 
Total Accounts Receivable, net
  $
4,464,444
    $
1,095,777