Annual report pursuant to Section 13 and 15(d)

Certain Balance Sheet Items - Property and Equipment (Detail)

v3.10.0.1
Certain Balance Sheet Items - Property and Equipment (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 3,035 $ 390
Less accumulated depreciation and amortization (130) (321)
Property and equipment, net 2,905 69
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 2,417 65
Office and Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 214 177
Purchased Software [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 44 83
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 360 $ 65