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Note 7 - Major Customer Concentration (Tables)

3 Months Ended

Dec. 31, 2017

Notes Tables

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

		Three Months Ended December 31,
		2017				2016
Customer A			22%				28%
Customer B			12%				14%

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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