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Note 10 - Segment Information - Operating Segment Asset Reconciliation (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017
Assets	$ 168,983	$ 171,733
Corporate, Non-Segment [Member]
Assets	8,055	7,593
Biological Indicators [Member] | Operating Segments [Member]
Assets	69,430	67,233
Instruments [Member] | Operating Segments [Member]
Assets	36,449	40,805
Cold Chain Monitoring [Member] | Operating Segments [Member]
Assets	33,961	35,789
Cold Chain Packaging [Member] | Operating Segments [Member]
Assets	$ 21,088	$ 20,313

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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