Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Details (Details Narrative)

v3.20.1
Balance Sheet Details (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Balance Sheet Related Disclosures [Abstract]        
Depreciation and amortization expense $ 54,000 $ 61,000 $ 166,000 $ 183,000