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Note 9 - Concentration of Credit Risk (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

		Three Months Ended						Three Months Ended
		September 30 , 201 9						September 30 , 201 8
Customer		Net Sales				% of Net Sales		Net Sales				% of Net Sales
Customer A		$	1,799,000			21%		$	2,395,000			21%
Customer B			1,559,000			18%			2,686,000			23%

		Nine Months Ended						Nine Months Ended
		September 30, 201 9						September 30, 201 8
Customer		Net Sales				% of Net Sales		Net Sales				% of Net Sales
Customer A		$	8,136,000			24%		$	9,738,000			23%
Customer B			8,424,000			25%			10,796,000			26%

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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