Quarterly report pursuant to Section 13 or 15(d)

401(k) Plan (Details Narrative)

v3.10.0.1
401(k) Plan (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
May 15, 2012
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2019
Jan. 31, 2018
Retirement Benefits [Abstract]          
Maximum percentage of contribution permitted to employees on eligible compensation 100.00%        
Employer's matching contribution       100.00%  
Maximum percentage of employer's matching contribution of employee's annual compensation       3.00%  
Employer matching contributions made   $ 18,000 $ 23,000 $ 45,000 $ 48,000