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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Intangible Assets
Estimated useful lives of the patents	10 years
Impairment of Long-Lived Assets
Impairment of long-lived assets	$ 0	$ 0	$ 0
Computer Equipment
Property and equipment
Average useful lives	3 years
Software
Property and equipment
Average useful lives	3 years
Lab Equipment and Furniture \| Minimum
Property and equipment
Average useful lives	5 years
Lab Equipment and Furniture \| Maximum
Property and equipment
Average useful lives	10 years