GOODWILL AND OTHER INTANGIBLE ASSETS (Details 1) - USD ($)		Sep. 30, 2018	Dec. 31, 2017
Other intangible assets:
Cost		$ 11,313,000	$ 11,339,000
Accumulated amortization		3,329,000	2,806,000
Net book value		7,984,000	8,533,000
Customer relationships [Member]
Other intangible assets:
Cost	[1]	6,827,000	6,836,000
Accumulated amortization	[1]	1,994,000	1,570,000
Net book value	[1]	4,833,000	5,266,000
Trademarks and trade names one [Member]
Other intangible assets:
Cost	[1]	2,316,000	2,329,000
Accumulated amortization	[1]	0	0
Net book value	[1]	2,316,000	2,329,000
Trademarks And Trade Names Two [Member]
Other intangible assets:
Cost		200,000	200,000
Accumulated amortization		29,000	19,000
Net book value		171,000	181,000
Engineering drawings [Member]
Other intangible assets:
Cost		330,000	330,000
Accumulated amortization		195,000	175,000
Net book value		135,000	155,000
Non-compete agreements [Member]
Other intangible assets:
Cost	[1]	235,000	239,000
Accumulated amortization	[1]	224,000	210,000
Net book value	[1]	11,000	29,000
Patents [Member]
Other intangible assets:
Cost		1,405,000	1,405,000
Accumulated amortization		887,000	832,000
Net book value		$ 518,000	$ 573,000

[1] A portion of these intangibles are maintained in a foreign currency, and are therefore subject to foreign exchange rate fluctuations.