Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
May 05, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
Jan. 31, 2017 |
May 05, 2017 |
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| Business Acquisition [Line Items] | |||||
| Operating loss | $ (5,468) | $ (9,575) | |||
| DCC Labs [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Percentage of equity interest acquired | 100.00% | ||||
| Payments to acquire business, paid in shares | $ 2,700 | ||||
| Net purchase price of acquired business | 7,883 | ||||
| Payments to acquire business | 5,243 | ||||
| Cash held in escrow | $ 500 | $ 300 | |||
| Shares initially held in escrow | 681,278 | 227,092 | |||
| Acquisition, goodwill identified | $ 7,300 | ||||
| Operating loss | $ 1,200 | ||||
| Business acquisition date | May 05, 2016 | ||||
| Business acquisition related costs | $ 200 | ||||
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- Definition Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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