GOODWILL AND INTANGIBLE ASSETS (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Changes in goodwill
Balance at the beginning of the period			$ 23,105,000
Foreign currency translation			(746,000)
Balance at the end of the period	22,359,000		22,359,000
Intangible assets
Total amortizing intangible assets	41,539,000		41,539,000		42,970,000
Accumulated amortization	(4,100,000)		(4,100,000)		(3,120,000)
Total intangible assets, net	38,354,000		38,354,000		40,771,000
Amortization expense	362,000	372,000	1,092,000	1,096,000
Permits and licenses
Intangible assets
Nonamortizing intangible assets	750,000		750,000		750,000
Tradename
Intangible assets
Nonamortizing intangible assets	165,000		165,000		171,000
Developed software
Intangible assets
Total amortizing intangible assets	340,000		340,000		352,000
Database
Intangible assets
Total amortizing intangible assets	97,000		97,000		100,000
Customer relationships
Intangible assets
Total amortizing intangible assets	5,128,000		5,128,000		5,269,000
Technology - Formulae and processes
Intangible assets
Total amortizing intangible assets	8,831,000		8,831,000		9,144,000
Permits, licenses and lease
Intangible assets
Total amortizing intangible assets	27,123,000		27,123,000		28,085,000
Non-compete agreements
Intangible assets
Total amortizing intangible assets	$ 20,000		$ 20,000		$ 20,000