Summary of Significant Accounting Policies - Summary of Depreciation Over Assets' Estimated Useful Lives (Detail)
12 Months Ended
Dec. 31, 2015
Computer Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life of assets 3 years
Machinery & Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life of assets 5 years
Office Furniture [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life of assets 5 years