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INTANGIBLES AND OTHER ASSETS Goodwill and Intangible Assets Disclosure (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | $ 13,569,000 | $ 9,403,000 |
Finite-lived intangible assets, accumulated amortization | 2,805,000 | 1,437,000 |
Finite-lived intangible assets, net book value | 10,764,000 | 7,966,000 |
Amortization expense | 1,400,000 | 1,300,000 | 100,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Amortization expense, 2013 | 1,700,000 |  |
Amortization expense, 2014 | 1,700,000 |  |
Amortization expense, 2015 | 1,700,000 |  |
Amortization expense, 2016 | 1,700,000 |  |
Amortization expense, 2017 | 1,700,000 |  |
Acquisitions of intangibles |  |  | 0
Acquired technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 9,009,000 | 6,535,000 |
Finite-lived intangible assets, accumulated amortization | 1,910,000 | 911,000 |
Finite-lived intangible assets, net book value | 7,099,000 | 5,624,000 |
Acquired technology | Minimum |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible asset, useful life | 7 years |  |
Acquired technology | Maximum |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible asset, useful life | 8 years |  |
Assay royalties |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 1,434,000 | 1,434,000 |
Finite-lived intangible assets, accumulated amortization | 410,000 | 205,000 |
Finite-lived intangible assets, net book value | 1,024,000 | 1,229,000 |
Finite-lived intangible asset, useful life | 7 years |  |
Third party payor relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 367,000 | 367,000 |
Finite-lived intangible assets, accumulated amortization | 49,000 | 0 |
Finite-lived intangible assets, net book value | 318,000 | 367,000 |
Finite-lived intangible asset, useful life | 3 years |  |
Tradenames and trademarks |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 824,000 | 344,000 |
Finite-lived intangible assets, accumulated amortization | 115,000 | 49,000 |
Finite-lived intangible assets, net book value | 709,000 | 295,000 |
Finite-lived intangible asset, useful life | 7 years |  |
Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 652,000 | 0 |
Finite-lived intangible assets, accumulated amortization | 11,000 | 0 |
Finite-lived intangible assets, net book value | 641,000 | 0 |
Finite-lived intangible asset, useful life | 15 years |  |
Covenants not to compete |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 184,000 | 0 |
Finite-lived intangible assets, accumulated amortization | 15,000 | 0 |
Finite-lived intangible assets, net book value | 169,000 | 0 |
Finite-lived intangible asset, useful life | 3 years |  |
Patents |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 929,000 | 703,000 |
Finite-lived intangible assets, accumulated amortization | 280,000 | 267,000 |
Finite-lived intangible assets, net book value | 649,000 | 436,000 |
Intellectual property |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, cost | 170,000 | 20,000 |
Finite-lived intangible assets, accumulated amortization | 15,000 | 5,000 |
Finite-lived intangible assets, net book value | $ 155,000 | $ 15,000 |
Finite-lived intangible asset, useful life | 7 years |  |

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