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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property & Equipment and Patent Costs (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 USD ($) item | Mar. 31, 2015 USD ($) | Dec. 31, 2015 USD ($)
Property and equipment |  |  |
Assets under construction | $ 4,735,000 |  | $ 8,038,000
Leasehold improvements | $ 10,757,000 |  | 7,118,000
Software Capitalization Policy |  |  |
Software development stages | item | 3 |  |
Patent Costs and Intangible Assets |  |  |
Accrued liabilities | $ 20,477,000 |  | 22,253,000
Amortization of intangible assets | $ 50,000 |  |
MDx Health | Licensed Intellectual Property |  |  |
Patent Costs and Intangible Assets |  |  |
Estimated useful life | 10 years |  |
Intangible asset, net | $ 1,700,000 |  | 1,800,000
Accrued liabilities | 2,000,000 |  | $ 2,000,000
Amortization of intangible assets | $ 50,000 | $ 0 |
Laboratory equipment | Minimum |  |  |
Property and equipment |  |  |
Estimated Useful Life | 3 years |  |
Laboratory equipment | Maximum |  |  |
Property and equipment |  |  |
Estimated Useful Life | 5 years |  |
Computer Equipment and Computer Software |  |  |
Property and equipment |  |  |
Estimated Useful Life | 3 years |  |
Leasehold Improvements |  |  |
Property and equipment |  |  |
Assets under construction | $ 1,800,000 |  |
Expected cost to complete construction of project | $ 1,200,000 |  |
Furniture and fixtures |  |  |
Property and equipment |  |  |
Estimated Useful Life | 3 years |  |
Buildings |  |  |
Property and equipment |  |  |
Estimated Useful Life | 30 years |  |
Software Development |  |  |
Property and equipment |  |  |
Assets under construction | $ 1,500,000 |  |
Machinery and Equipment |  |  |
Property and equipment |  |  |
Assets under construction | 1,400,000 |  |
Expected cost to complete construction of project | $ 200,000 |  |

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