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Income Taxes (Details) - Schedule of provision for (benefit from) income taxes - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Current:    
Foreign $ 30 $ 14
Federal 239
State 6 1
Total current expense 275 15
Deferred:    
Foreign (44)
Federal (253)
State (180)
Total deferred expense (477)
Provision for (benefit from) income taxes $ (202) $ 15