Quarterly report pursuant to Section 13 or 15(d)

401(k) Plan (Details Narrative)

v3.20.4
401(k) Plan (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
May 15, 2012
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Maximum percentage of contribution permitted to employees on eligible compensation 100.00%        
Employer's matching contribution       100.00%  
Employer contributions   $ 32,000 $ 21,000 $ 60,000 $ 59,000
Maximum [Member]          
Maximum percentage of employer's matching contribution of employee's annual compensation       3.00%