GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jul. 11, 2012
Intangible Assets [Line Items]
Business acquisition, goodwill						$ 8,300,000
Business acquisition, amortizable intangible assets						40,100,000
Goodwill [Roll Forward]
Balance at beginning of year			51,128,000	42,763,000	42,763,000
Acquisition of GenturaDx			0		8,292,000
Foreign currency translation adjustments			(299,000)		73,000
Balance at end of period	50,829,000		50,829,000		51,128,000
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Balance, beginning			80,584,000	40,545,000	40,545,000
Additions due to Acquisition of GenturaDx					40,100,000
Write Off Of In Process Research And Development Projects					(118,000)
Foreign currency translation adjustments			(226,000)		57,000
Balance, ending	80,358,000		80,358,000		80,584,000
Less: accumulated amortization [Abstract]
Accumulated amortization, beginning balance			(15,366,000)	(11,108,000)	(11,108,000)
Amortization expense	(1,027,000)	(1,084,000)	(2,056,000)	(2,184,000)	(4,243,000)
Foreign currency translation adjustments	113,000		113,000		(15,000)
Accumulated amortization, ending balance	(17,309,000)		(17,309,000)		(15,366,000)
Net balance	63,049,000		63,049,000		65,218,000
Estimated aggregate amortization expense for the next five years and thereafter [Abstract]
2013 (six months)	2,040,000		2,040,000
2014	4,068,000		4,068,000
2015	3,312,000		3,312,000
2016	3,107,000		3,107,000
2017	2,147,000		2,147,000
Thereafter	7,807,000		7,807,000
Total	22,481,000		22,481,000
IP R&D	40,568,000		40,568,000
Total	63,049,000		63,049,000
In-process Research and Development [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Balance, beginning			40,627,000	631,000	631,000
Additions due to Acquisition of GenturaDx					40,100,000
Write Off Of In Process Research And Development Projects					(118,000)
Foreign currency translation adjustments			(59,000)		14,000
Balance, ending	40,568,000		40,568,000		40,627,000
Less: accumulated amortization [Abstract]
Accumulated amortization, beginning balance			0	0	0
Amortization expense			0		0
Foreign currency translation adjustments	0		0		0
Accumulated amortization, ending balance	0		0		0
Net balance	40,568,000		40,568,000		40,627,000
Technology, Trade Secrets, and Know-how [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Balance, beginning			30,030,000	30,000,000	30,000,000
Additions due to Acquisition of GenturaDx					0
Write Off Of In Process Research And Development Projects					0
Foreign currency translation adjustments			(114,000)		30,000
Balance, ending	29,916,000		29,916,000		30,030,000
Less: accumulated amortization [Abstract]
Accumulated amortization, beginning balance			(13,193,000)	(9,999,000)	(9,999,000)
Amortization expense			(1,591,000)		(3,187,000)
Foreign currency translation adjustments	68,000		68,000		(7,000)
Accumulated amortization, ending balance	(14,716,000)		(14,716,000)		(13,193,000)
Net balance	15,200,000		15,200,000		16,837,000
Weighted average life (in years)			10 years		10 years
Customer Lists and Contracts [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Balance, beginning			7,986,000	7,981,000	7,981,000
Additions due to Acquisition of GenturaDx					0
Write Off Of In Process Research And Development Projects					0
Foreign currency translation adjustments			(21,000)		5,000
Balance, ending	7,965,000		7,965,000		7,986,000
Less: accumulated amortization [Abstract]
Accumulated amortization, beginning balance			(1,560,000)	(768,000)	(768,000)
Amortization expense			(395,000)		(790,000)
Foreign currency translation adjustments	16,000		16,000		(2,000)
Accumulated amortization, ending balance	(1,939,000)		(1,939,000)		(1,560,000)
Net balance	6,026,000		6,026,000		6,426,000
Weighted average life (in years)			11 years		11 years
Other Identifiable Intangible Assets [Member]
Finite and Indefinite-lived Intangible Assets [Roll Forward]
Balance, beginning			1,941,000	1,933,000	1,933,000
Additions due to Acquisition of GenturaDx					0
Write Off Of In Process Research And Development Projects					0
Foreign currency translation adjustments			(32,000)		8,000
Balance, ending	1,909,000		1,909,000		1,941,000
Less: accumulated amortization [Abstract]
Accumulated amortization, beginning balance			(613,000)	(341,000)	(341,000)
Amortization expense			(70,000)		(266,000)
Foreign currency translation adjustments	29,000		29,000		(6,000)
Accumulated amortization, ending balance	(654,000)		(654,000)		(613,000)
Net balance	1,255,000		1,255,000		1,328,000
Weighted average life (in years)			9 years		9 years
Minimum [Member]
Intangible Assets [Line Items]
Research and Development Expense, Estimated			8,000,000
Maximum [Member]
Intangible Assets [Line Items]
Research and Development Expense, Estimated			$ 12,000,000