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OPERATING SEGMENT AND GEOGRAPHIC INFORMATION (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 operating_segments | Sep. 30, 2011 | Dec. 31, 2011
Segment Reporting Information [Line Items] |  |  |  |  |
Number of operating segments (in operating segments) |  |  | 3 |  |
Net sales | $ 7,889 | $ 8,253 | $ 24,188 | $ 23,400 |
Gross profit | 3,800 | 4,445 | 11,466 | 13,152 |
Net income (loss) before taxes | (2,640) | (1,279) | (5,926) | (10,165) |
Income tax expense (benefit) | 114 | (9) | 88 | (120) |
NET LOSS | (2,754) | (1,270) | (6,014) | (10,045) |
Depreciation/Amortization | 495 | 481 | 1,570 | 1,506 |
Restructure | 0 | 5 | 0 | 40 |
Interest expense, net | (207) | (238) | (713) | (720) |
Total Assets | 42,887 | 29,974 | 42,887 | 29,974 | 33,562
Clinical laboratories |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 4,498 | 4,085 | 13,329 | 11,435 |
Gross profit | 2,385 | 2,456 | 6,693 | 6,787 |
Net income (loss) before taxes | (1,694) | (1,472) | (4,309) | (11,331) |
Income tax expense (benefit) | 0 | (20) | 0 | 0 |
NET LOSS | (1,694) | (1,452) | (4,309) | (11,331) |
Depreciation/Amortization | 418 | 350 | 1,265 | 1,113 |
Restructure |  | 2 | 0 | 28 |
Interest expense, net | (201) | (238) | (665) | (720) |
Total Assets | 28,822 | 20,822 | 28,822 | 20,822 |
Pharmacogenomic services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 220 | 552 | 1,198 | 1,824 |
Gross profit | (38) | 241 | 418 | 764 |
Net income (loss) before taxes | (213) | 122 | (310) | 615 |
Income tax expense (benefit) | 0 | 0 | 0 | 0 |
NET LOSS | (213) | 122 | (310) | 615 |
Depreciation/Amortization | 24 | 75 | 92 | 184 |
Restructure |  | 0 | 0 | 0 |
Interest expense, net | 0 | 0 | (11) | 0 |
Total Assets | 1,731 | 953 | 1,731 | 953 |
Diagnostic tools |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 3,171 | 3,616 | 9,661 | 10,141 |
Gross profit | 1,453 | 1,748 | 4,355 | 5,601 |
Net income (loss) before taxes | (733) | 71 | (1,307) | 551 |
Income tax expense (benefit) | 114 | 11 | 88 | (120) |
NET LOSS | (847) | 60 | (1,395) | 671 |
Depreciation/Amortization | 53 | 56 | 213 | 209 |
Restructure |  | 3 | 0 | 12 |
Interest expense, net | (6) | 0 | (37) | 0 |
Total Assets | 12,334 | 8,199 | 12,334 | 8,199 |
United states |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 5,442 | 6,034 | 17,013 | 16,738 |
Italy |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 571 | 762 | 2,277 | 2,373 |
United kingdom |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 546 | 193 | 1,113 | 451 |
FRANCE |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 264 | 166 | 575 | 579 |
GERMANY |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 517 | 187 | 769 | 581 |
All other countries |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | $ 549 | $ 911 | $ 2,441 | $ 2,678 |
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 | 95.00% |  | 95.00% |  |

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