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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% |  |

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