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Note 10 - Significant Customers (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

		Year ended December 31,
		2018				2017
Customer A			*				16.1	%
Total			—				16.1	%

		As of December 31,
		2018				2017
Customer A			*				20.3	%
Customer B			14.5	%			11.0	%
Customer C			11.8	%
Total			26.3	%			31.3	%

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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