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Note 14 - Operating Segment Asset Reconciliation (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Mar. 31, 2015
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Biological Indicators [Member] |  |
Assets | $ 56,724 | $ 36,304
Instruments [Member] |  |
Assets | 49,077 | 44,401
Continuous Monitoring [Member] |  |
Assets | 26,881 | $ 31,558
Cold Chain [member] |  |
Assets | 20,210 |
Corporate Segment [Member] |  |
Assets | 7,856 | $ 5,057
Assets | $ 160,748 | $ 117,320

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- 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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