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Note 4 - Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Receivables with Imputed Interest [Table Text Block]

		March 31,				December 31,
		2021				2020
Trade accounts		$	2,992,647			$	3,537,864
Premiums			854,971				832,221
Allowance for doubtful accounts			(247,783	)			(328,522	)
Total Accounts Receivable, net		$	3,599,835			$	4,041,563

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- Definition

Tabular disclosure of receivables or notes with discounts or premiums resulting from the determination of present value in cash or noncash transactions, including description of the receivable, the effective interest rate, the face amount, amortization period and method.

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