SEGMENT INFORMATION, BY REGION AND PRODUCT (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	$ 49,801	$ 41,142
Long-Lived Assets	25,385	7,735
Revenue from External Customer [Line Items]
Electronic controls segment revenues	49,801	41,142
Total Foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	33,723	22,815
Long-Lived Assets	23,161	5,530
Reportable Segments [Member] | Controls [Member]
Revenue from External Customer [Line Items]
Electronic controls segment revenues	34,907	39,029
Reportable Segments [Member] | Electronic controls for zero emission and hybrid electric vehicles [Member] | Controls [Member]
Revenue from External Customer [Line Items]
Electronic controls segment revenues	23,945	26,951
Reportable Segments [Member] | Accessory and aftermarket products and services [Member] | Controls [Member]
Revenue from External Customer [Line Items]
Electronic controls segment revenues	10,962	12,078
Reportable Geographical Components [Member] | United States Of America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	16,078	18,327
Long-Lived Assets	2,224	2,205
Reportable Geographical Components [Member] | United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	11,367	15,056
Long-Lived Assets	5,891	4,908
Reportable Geographical Components [Member] | Italy
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	13,368	0
Long-Lived Assets	16,580	0
Reportable Geographical Components [Member] | France [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	7,534	7,054
Long-Lived Assets	302	298
Reportable Geographical Components [Member] | China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	1,454	705
Reportable Geographical Components [Member] | Korea, Japan and China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 388	$ 324