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Note 9 - Concentration of Credit Risk (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		Three Months Ended								Three Months Ended
		June 30 , 201 9								June 30 , 201 8
Customer		Net Sales				% of Net Sales				Net Sales				% of Net Sales
Customer A		$	4,179,000				34	%		$	4,871,000				30	%
Customer B		$	2,769,000				22	%		$	3,660,000				23	%

		Six Months Ended								Six Months Ended
		June 30, 2019								June 30, 2018
Customer		Net Sales				% of Net Sales				Net Sales				% of Net Sales
Customer A		$	6,337,000				25	%		$	7.343,000				24	%
Customer B		$	6,630,000				27	%		$	8,110,000				27	%

X

- Definition

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

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