Inventories (Tables)

6 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventories Net of Provision for Obsolescence

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

	March 31, 2018		September 30, 2017
Raw materials and stock parts	$	323,902	$	337,462
Work-in-process		23,625		21,861
Finished goods		89,734		98,835
	$	437,261	$	458,158