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Summary of financial information related to RF Neulink (Detail) $ in Thousands | 12 Months Ended
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Oct. 31, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Royalties | $ 174
Provision for income taxes | (68)
Income from discontinued operations, net of tax | 116
Bioconnect division [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Income from discontinued operations, net of tax | $ 10

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