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Summary of Significant Accounting Policies - Fixed Assets, Net (Details)	12 Months Ended
	Dec. 31, 2015
Computer equipment, laboratory equipment, office equipment and furniture and fixtures
Fixed Assets, Net
Estimated useful live of fixed assets	7 years
Computer hardware and software | Minimum
Fixed Assets, Net
Estimated useful live of fixed assets	3 years
Computer hardware and software | Maximum
Fixed Assets, Net
Estimated useful live of fixed assets	5 years

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