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Acquisitions (Tables) | 12 Months Ended
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Jul. 31, 2021
Business Combinations [Abstract] |
Fair value of assets acquired and liabilities assumed | The following table summarizes the preliminary fair value of the assets acquired and liabilities assumed in connection with the acquisition:
| Purchase Price Allocation (1) |  | Measurement Period Adjustments |  | Purchase Price Allocation (As adjusted) |
Initial upfront payment | $ | 23,902,000 |  |  | $ | 77,000 |  |  | $ | 23,979,000 |  |
Hold back amount | 5,000,000 |  |  | (9,000) |  |  | 4,991,000 |  |
Contingent earn-out consideration | 8,500,000 |  |  | — |  |  | 8,500,000 |  |
Preliminary purchase price at fair value | $ | 37,402,000 |  |  | $ | 68,000 |  |  | $ | 37,470,000 |  |
Preliminary allocation of aggregate purchase price: |  |  |  |  |  |
Cash and cash equivalents | $ | 1,391,000 |  |  | $ | — |  |  | $ | 1,391,000 |  |
Current assets | 1,235,000 |  |  | 123,000 |  |  | 1,358,000 |  |
Property, plant and equipment | 10,000 |  |  | — |  |  | 10,000 |  |
Deferred tax assets | 286,000 |  |  | 27,000 |  |  | 313,000 |  |
Contract liabilities | (657,000) |  |  | 9,000 |  |  | (648,000) |  |
Accrued warranty obligations | (750,000) |  |  | — |  |  | (750,000) |  |
Other current liabilities | (1,166,000) |  |  | (9,000) |  |  | (1,175,000) |  |
Non-current liabilities | (160,000) |  |  | — |  |  | (160,000) |  |
Net tangible assets at preliminary fair value | $ | 189,000 |  |  | 150,000 |  |  | $ | 339,000 |  |
Identifiable intangibles, deferred taxes and goodwill: |  |  |  |  |  | Estimated Useful Lives
Technology | $ | 15,300,000 |  |  | $ | — |  |  | $ | 15,300,000 |  | 15 years
Customer relationships | 15,500,000 |  |  | — |  |  | 15,500,000 |  | 15 years
Trade name | 800,000 |  |  | — |  |  | 800,000 |  | 20 years
Deferred tax liabilities | (8,374,000) |  |  | — |  |  | (8,374,000) |  |
Goodwill | 13,987,000 |  |  | (82,000) |  |  | 13,905,000 |  | Indefinite
Preliminary allocation of aggregate purchase price | $ | 37,402,000 |  |  | $ | 68,000 |  |  | $ | 37,470,000 |  |
(1) As reported in the Company's Quarterly Report on Form 10-Q for the three and nine months ended April 30, 2021.

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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