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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2019
Accounting Policies [Abstract]  
Property and Equipment

Property and Equipment

Property and equipment are stated at cost less accumulated depreciation and amortization. Depreciation and amortization expense is recognized using the straight-line method over the estimated useful life of each asset, as follows:

 

     Estimated Useful Life

Office furniture

   3 years

Computer equipment

   3 years

Software

   3 years

Laboratory equipment

   3 to 10 years

Leasehold improvements

   Shorter of lease term or 10 years