GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Other intangible assets:
Cost	$ 5,864,000	$ 5,864,000
Accumulated amortization	4,188,000	4,112,000
Net book value	1,676,000	1,752,000
Customer Relationships [Member]
Other intangible assets:
Cost	5,070,000	5,070,000
Accumulated amortization	3,967,000	3,906,000
Net book value	1,103,000	1,164,000
Trademarks [Member]
Other intangible assets:
Cost	199,000	199,000
Accumulated amortization	0	0
Net book value	199,000	199,000
Drawings [Member]
Other intangible assets:
Cost	290,000	290,000
Accumulated amortization	86,000	85,000
Net book value	204,000	205,000
Licensing Agreements [Member]
Other intangible assets:
Cost	305,000	305,000
Accumulated amortization	135,000	121,000
Net book value	$ 170,000	$ 184,000