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Commitments and Contingencies (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 24, 2017 | Apr. 30, 2018 | Apr. 30, 2017 | Apr. 30, 2018 | Apr. 30, 2017 | Aug. 31, 2017 | Jul. 31, 2017
Commitments and Contingencies (Textual) |  |  |  |  |  |  |
Accrued expenses |  | $ 39,400 |  | $ 39,400 |  |  | $ 43,500
Purchase commitment of company |  | 87,400 |  | 87,400 |  |  |
Performance bonds outstanding |  | 15,800 |  | 15,800 |  |  |
Escrow deposit |  |  |  |  |  | $ 9,200 |
Cash and cash equivalents |  | 9,400 |  | 9,400 |  |  | $ 10,800
Payment for transfer of the IP Interest | $ 6,000 |  |  | 6,000 |  |  |
Payment for settlement of claims and mutual release | $ 10,000 |  |  |  |  |  |
Stockholders, ownership percentage | 22.00% |  |  |  |  |  |
Net proceeds from sale of majority interests in New SPIP | $ 6,000 |  |  | 6,000 |  |  |
Company paid Straight Path an aggregate of cash | $ 16,000 |  |  |  |  |  |
Legal fees |  | 345 | $ 10,163 | 1,970 | $ 11,251 |  |
Aggregate commitment under Reciprocal Services Agreement |  | 85,600 |  | 85,600 |  |  |
Straight Path Class Action [Member] |  |  |  |  |  |  |
Commitments and Contingencies (Textual) |  |  |  |  |  |  |
Legal fees |  | $ 300 |  | $ 1,300 |  |  |

X
- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Commitments and contingencies. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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- Details
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