XML 28 R18.htm IDEA: XBRL DOCUMENT v3.19.1
Inventories (Tables)
6 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventories Net of Reserve for Obsolescence

Inventories net of the reserve for obsolescence consisted of the following:

 

    March 31, 2019     September 30, 2018  
             
Raw materials and stock parts   $ 335,827     $ 306,658  
Work-in-process     24,408       37,062  
Finished goods     70,765       33,883  
                 
    $ 431,000     $ 377,603