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Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Finite-Lived Intangible Asset Useful Lives [Table Text Block]

		Years
Software			3
Tradenames			5
Certification			5
Non-compete			5
Patents			9
Customer relationships			10

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Tabular disclosure of finite-lived intangible asset useful lives.

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