Quarterly report pursuant to Section 13 or 15(d)

401(k) Plan (Details Narrative)

v3.20.1
401(k) Plan (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
May 15, 2012
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Maximum percentage of contribution permitted to employees on eligible compensation 100.00%        
Employer's matching contribution       100.00%  
Employer contributions   $ 39,000 $ 7,000 $ 98,000 $ 52,000
Maximum [Member]          
Maximum percentage of employer's matching contribution of employee's annual compensation       3.00%