GOODWILL AND OTHER INTANGIBLE ASSETS (Details 1) - USD ($)		Jun. 30, 2018	Dec. 31, 2017
Other intangible assets:
Cost		$ 11,323,000	$ 11,339,000
Accumulated amortization		3,160,000	2,806,000
Net book value		8,163,000	8,533,000
Customer relationships [Member]
Other intangible assets:
Cost	[1]	6,831,000	6,836,000
Accumulated amortization	[1]	1,853,000	1,570,000
Net book value	[1]	4,978,000	5,266,000
Trademarks and trade names one [Member]
Other intangible assets:
Cost	[1]	2,321,000	2,329,000
Accumulated amortization	[1]	0	0
Net book value	[1]	2,321,000	2,329,000
Trademarks And Trade Names Two [Member]
Other intangible assets:
Cost	[2]	200,000	200,000
Accumulated amortization	[2]	25,000	19,000
Net book value	[2]	175,000	181,000
Engineering drawings [Member]
Other intangible assets:
Cost		330,000	330,000
Accumulated amortization		188,000	175,000
Net book value		142,000	155,000
Non-compete agreements [Member]
Other intangible assets:
Cost	[1]	236,000	239,000
Accumulated amortization	[1]	225,000	210,000
Net book value	[1]	11,000	29,000
Patents [Member]
Other intangible assets:
Cost		1,405,000	1,405,000
Accumulated amortization		869,000	832,000
Net book value		$ 536,000	$ 573,000

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

[2] These were previously considered an indefinite-lived intangible asset of Hy-Tech. However, as the result of a prior impairment, the Company began amortizing these intangible assets over a 15 year useful life.