Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Details (Details Narrative)

v3.10.0.1
Balance Sheet Details (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2019
Jan. 31, 2018
Balance Sheet Related Disclosures [Abstract]        
Depreciation and amortization expense $ 61,000 $ 95,000 $ 122,000 $ 191,000