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Note 4 - Accounts Receivable (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Receivables with Imputed Interest [Table Text Block] |
|  | December 31, |
|  | 2019 |  |  | 2018 |
Trade accounts |  | $ | 3,346,215 |  |  | $ | 3,621,695 |
Premiums |  |  | 971,963 |  |  |  | 890,974 |
Anticipated salvage and subrogation |  |  | - |  |  |  | 2,340 |
Allowance for doubtful accounts |  |  | (127,635 | ) |  |  | (50,565 | )
Total Accounts Receivable, net |  | $ | 4,190,543 |  |  | $ | 4,464,444 |

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