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Note 2 - Acquisitions	6 Months Ended
	Sep. 30, 2017
Notes to Financial Statements
Mergers, Acquisitions and Dispositions Disclosures [Text Block]	Note 2 - Acquisition s For the six months ended September 30, 2017, our acquisitions of businesses totaled $62,000, of which none were material in nature (see Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations ).

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- References

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- Definition

The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2122178

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

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