XML 28 R17.htm IDEA: XBRL DOCUMENT v3.10.0.1
Significant Accounting Policies (Tables)
6 Months Ended
Jan. 31, 2019
Accounting Policies [Abstract]  
Schedule of Inventories

Inventories consist of the following:

 

    January 31, 2019     July 31, 2018  
Raw materials   $ 38,000     $ 39,000  
Finished goods     167,000       158,000  
    $ 205,000     $ 197,000