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Income Taxes (Details) - Schedule of deferred tax assets and liabilities - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2022 | Jul. 31, 2021
Schedule Of Deferred Tax Assets And Liabilities Abstract |  |
Net operating loss carryforwards | $ 15,170 | $ 12,495
Unrealized gain/loss | 31,850 | 968
Depreciation | 1 |
Reserves and accruals | 236 |
Stock-based compensation | 1,839 | 2,096
Gross deferred tax assets | 49,096 | 15,559
Less valuation allowance | (49,096) | (15,559)
Total deferred tax assets |  |
Total deferred tax liabilities |  |
Deferred tax assets, net |  |

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