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OPERATING SEGMENT AND GEOGRAPHIC INFORMATION (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2014
operating_segments
Mar. 31, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Number of operating segments (in operating segments) 2    
Net sales $ 6,251 $ 7,374  
Gross profit 2,494 3,255  
Net income (loss) before taxes (3,671) (3,520)  
Income tax expense (benefit) 505 66  
Net loss (4,176) (3,586) (15,987)
Depreciation/Amortization 493 744  
Interest expense, net (182) (153)  
Total Assets 30,717 41,398 30,278
Laboratory services
      
Segment Reporting Information [Line Items]      
Net sales 3,688 4,427  
Gross profit 1,632 2,193  
Net income (loss) before taxes (2,984) (3,085)  
Income tax expense (benefit) 509 0  
Net loss (3,493) (3,085)  
Depreciation/Amortization 440 563  
Interest expense, net (107) (135)  
Total Assets 22,446 30,366  
Diagnostic tools
      
Segment Reporting Information [Line Items]      
Net sales 2,563 2,947  
Gross profit 862 1,062  
Net income (loss) before taxes (687) (435)  
Income tax expense (benefit) (4) 66  
Net loss (683) (501)  
Depreciation/Amortization 53 181  
Interest expense, net (75) (18)  
Total Assets 8,271 11,032  
United states
      
Segment Reporting Information [Line Items]      
Net sales 4,763 5,348  
Italy
      
Segment Reporting Information [Line Items]      
Net sales 385 455  
All Other Countries [Member]
      
Segment Reporting Information [Line Items]      
Net sales $ 1,103 $ 1,571  
Maximum | All Other Countries [Member]
      
Segment Reporting Information [Line Items]      
Percent of revenue from countries not separately disclosed 5.00%    
Minimum | United states
      
Segment Reporting Information [Line Items]      
Long-lived asset percentage held in a specific location 99.00%