Annual report pursuant to Section 13 and 15(d)

401(k) Plan (Details Narrative)

v3.19.3
401(k) Plan (Details Narrative) - USD ($)
12 Months Ended
May 15, 2012
Jul. 31, 2019
Jul. 31, 2018
Maximum percentage of contribution permitted to employees on eligible compensation 100.00%    
Employer's matching contribution   100.00%  
Employer matching contributions made   $ 94,000 $ 111,000
Maximum [Member]      
Maximum percentage of employer's matching contribution of employee's annual compensation   3.00%