Acquisitions - Additional Information (Detail) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||||
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May 05, 2017 |
May 05, 2016 |
Jul. 31, 2017 |
Jul. 31, 2016 |
May 04, 2016 |
Jul. 31, 2017 |
Jul. 31, 2016 |
Jan. 31, 2017 |
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Business Acquisition [Line Items] | ||||||||
Payments to acquire business | $ 5,243,000 | |||||||
Operating loss | $ (2,083,000) | $ (11,668,000) | $ (7,551,000) | $ (21,243,000) | ||||
DCC Labs [Member] | ||||||||
Business Acquisition [Line Items] | ||||||||
Percentage of equity interest acquired | 100.00% | |||||||
Payments to acquire business, paid in shares | $ 2,640,000 | |||||||
Net purchase price of acquired business | 7,883,000 | |||||||
Payments to acquire business | 5,243,000 | |||||||
Cash held in escrow | $ 300,000 | $ 500,000 | ||||||
Shares initially held in escrow | 227,090 | 681,278 | ||||||
Business acquisition date | May 05, 2016 | |||||||
Acquisition, goodwill identified | $ 7,300 | |||||||
Operating loss | $ 1,200,000 | |||||||
Business acquisition related costs | $ 200,000 |
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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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