Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Details (Details Narrative)

v3.20.4
Balance Sheet Details (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Balance Sheet Related Disclosures [Abstract]        
Depreciation and amortization expense $ 46,000 $ 56,000 $ 96,000 $ 112,000
Intangible asset estimated useful life     85 months  
Intangible asset amortization expense $ 12,000 $ 0 $ 12,000 $ 0