General form of registration statement for all companies including face-amount certificate companies

Summary of Significant Accounting Policies - Property and Equipment Useful Life (Detail)

v2.4.1.9
Summary of Significant Accounting Policies - Property and Equipment Useful Life (Detail)
 12 Months Ended
Dec. 31, 2014
Leasehold Improvements [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated Lives 5 years
Leasehold Improvements [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated Lives 13 years
Laboratory Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated Lives 1 year
Laboratory Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated Lives 14 years
Office and Computer Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated Lives 1 year
Office and Computer Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated Lives 15 years