Balance Sheet Details (Tables)
 12 Months Ended
Jul. 31, 2017
Balance Sheet Related Disclosures [Abstract]  
Schedule of Inventories

Inventories consist of the following:

 

    July 31,  
    2017     2016  
Raw materials   $ 82,000     $ 120,000  
Finished goods     191,000       230,000  
    $ 273,000     $ 350,000  
Schedule of Property Plant and Equipment

Property, plant, and equipment consist of the following:

 

    July 31,  
    2017     2016  
Computers and equipment   $ 1,045,000     $ 840,000  
Furniture and fixtures     21,000       21,000  
      1,066,000       861,000  
Less accumulated depreciation     (518,000 )     (421,000 )
    $ 548,000     $ 440,000  
Schedule of Patents

Patents consist of the following:

 

    July 31,  
    2017     2016  
Patents   $ 3,485,000     $ 3,475,000  
Less accumulated amortization     (2,663,000 )     (2,495,000 )
    $ 822,000     $ 980,000