OPERATING SEGMENT AND GEOGRAPHIC INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended									3 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012 operating_segments	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Clinical laboratories	Dec. 31, 2011 Clinical laboratories	Dec. 31, 2010 Clinical laboratories	Dec. 31, 2012 Pharmacogenomic services	Dec. 31, 2011 Pharmacogenomic services	Dec. 31, 2010 Pharmacogenomic services	Dec. 31, 2010 Diagnostic tools	Dec. 31, 2012 Diagnostic tools	Dec. 31, 2011 Diagnostic tools	Dec. 31, 2010 Diagnostic tools	Dec. 31, 2012 United states	Dec. 31, 2011 United states	Dec. 31, 2010 United states	Dec. 31, 2012 Italy	Dec. 31, 2011 Italy	Dec. 31, 2010 Italy	Dec. 31, 2012 United kingdom	Dec. 31, 2011 United kingdom	Dec. 31, 2010 United kingdom	Dec. 31, 2012 GERMANY	Dec. 31, 2011 GERMANY	Dec. 31, 2010 GERMANY	Dec. 31, 2012 FRANCE	Dec. 31, 2011 FRANCE	Dec. 31, 2010 FRANCE	Dec. 31, 2012 All Other Countries [Member]	Dec. 31, 2011 All Other Countries [Member]	Dec. 31, 2010 All Other Countries [Member]	Dec. 31, 2012 Maximum All Other Countries [Member]	Dec. 31, 2012 Minimum United states
Segment Reporting Information [Line Items]
Number of operating segments (in operating segments)									3
Net Sales	$ 7,292	$ 7,889	$ 9,093	$ 7,206	$ 8,571	$ 8,253	$ 7,667	$ 7,480	$ 31,480	$ 31,971	$ 20,048	$ 17,453	$ 16,038	$ 3,606	$ 1,876	$ 2,280	$ 1,373		$ 12,151	$ 13,653	$ 15,069	$ 22,727	$ 22,626	$ 8,729	$ 2,524	$ 3,152	$ 3,294	$ 1,703	$ 778	$ 1,412	$ 907	$ 750	$ 1,366	$ 679	$ 758	$ 1,160	$ 2,940	$ 3,907	$ 4,087
Gross Profit	3,544	3,800	4,562	3,104	5,283	4,445	4,555	4,154	15,010	18,437	9,764	8,487	9,478	1,481	829	1,050	(43)		5,694	7,909	8,326
Net income (loss) before taxes									(8,181)	(9,737)	(2,984)	(6,564)	(11,016)	(1,829)	(310)	(354)	(696)		(1,307)	1,633	(459)
Income tax benefit									146	45	150	0	0	0	0	0	0		146	45	150
Net loss	(2,314)	(2,754)	(563)	(2,696)	264	(1,270)	(5,998)	(2,778)	(8,327)	(9,782)	(3,134)	(6,564)	(11,016)	(1,829)	(310)	(354)	(696)		(1,453)	1,588	(609)
Depreciation/Amortization									2,278	2,101	708	1,727	1,568	119	233	242	186		318	291	403
Restructuring Charges									0	41	138		29	65		0	0	100		12	73
Interest income (expense), net									(888)	(958)	(4)	(840)	(958)	(1)	(11)	0	0		(37)	0	(3)
Total Assets	38,791				33,562				38,791	33,562	32,027	26,902	22,032	22,945	2,294	1,636	1,686	7,396	9,595	9,894	7,396
Percent of revenue from countries not separately disclosed																																								5.00%
Long-lived asset percentage held in a specific location																																									95.00%
Goodwill	$ 6,918				$ 6,440				$ 6,918	$ 6,440	$ 6,275	$ 6,918	$ 6,440	$ 6,275	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0