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OPERATING SEGMENT AND GEOGRAPHIC INFORMATION (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
operating_segments
Sep. 30, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]          
Number of operating segments     2    
Net Sales $ 6,372 $ 6,646 $ 19,387 $ 21,326  
Gross Profit 2,215 2,450 7,102 8,678  
Net (Loss) Income before Taxes (106) (5,560) (7,678) (11,953)  
Income Tax Expense (Benefit) (26) (8) 471 52  
Net (Loss) Income (80) (5,552) (8,149) (12,005) (15,987)
Depreciation/Amortization 589 671 1,570 2,102  
Interest Expense, net 162 155 490 459  
Total Assets 30,848 33,180 30,848 33,180 30,278
United States
          
Segment Reporting Information [Line Items]          
Net Sales 5,102 5,095 14,735 16,241  
United States | Minimum
          
Segment Reporting Information [Line Items]          
Long-lived asset percentage held in a specific location 99.00%   99.00%    
Italy
          
Segment Reporting Information [Line Items]          
Net Sales 301 398 1,023 1,225  
All Other Countries
          
Segment Reporting Information [Line Items]          
Net Sales 969 1,153 3,629 3,860  
All Other Countries | Maximum
          
Segment Reporting Information [Line Items]          
Percent of revenue from countries not separately disclosed     5.00%    
Laboratory Services
          
Segment Reporting Information [Line Items]          
Net Sales 4,063 4,112 11,594 12,551  
Gross Profit 1,781 1,776 4,903 5,822  
Net (Loss) Income before Taxes (3,305) (4,375) (9,565) (9,641)  
Income Tax Expense (Benefit) 41 0 590 0  
Net (Loss) Income (3,346) (4,375) (10,155) (9,641)  
Depreciation/Amortization 544 606 1,422 1,815  
Interest Expense, net 92 96 282 314  
Total Assets 23,998 23,648 23,998 23,648  
Genetic Assays and Platforms
          
Segment Reporting Information [Line Items]          
Net Sales 2,309 2,534 7,793 8,775  
Gross Profit 434 674 2,199 2,856  
Net (Loss) Income before Taxes 3,199 (1,185) 1,887 (2,312)  
Income Tax Expense (Benefit) (67) (8) (119) 52  
Net (Loss) Income 3,266 (1,177) 2,006 (2,364)  
Depreciation/Amortization 45 65 148 287  
Interest Expense, net 70 59 208 145  
Total Assets $ 6,850 $ 9,532 $ 6,850 $ 9,532