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Other (Expense) Income, Net (Details) - Schedule of other (expense) income, net - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2020 | Jul. 31, 2019
Schedule of other (expense) income, net [Abstract] |  |
Foreign currency transaction gains (losses) | $ 370 | $ (696)
Write-off of tax assets related to prior periods | (1,346) |
(Loss) gain on investments | (336) | 1,779
Other | 45 | (401)
TOTAL | $ (1,267) | $ 682

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- Definition Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894 + Details
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