MARKET SECTORS AND MAJOR CUSTOMERS - Narrative (Details) - Customer Concentration Risk - customer	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Sales
Concentration Risk [Line Items]
Concentration risk, number of customers	2
Sales | Industrial
Concentration Risk [Line Items]
Concentration risk, percentage		15.00%
Sales | Medical
Concentration Risk [Line Items]
Concentration risk, number of customers		2
Concentration risk, percentage	14.00%
Sales | Medical | Customer One
Concentration Risk [Line Items]
Concentration risk, number of customers	1
Sales | Medical | Customer Two
Concentration Risk [Line Items]
Concentration risk, percentage	15.00%
Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, number of customers	3	3
Concentration risk, percentage	42.00%	40.00%