XML 62 R42.htm IDEA: XBRL DOCUMENT v3.3.1.900
Property and Equipment - Summary of Property and Equipment (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 1,722 $ 1,832
Less accumulated depreciation and amortization (1,146) (1,490)
Property and equipment, net 576 342
Laboratory Equipment [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 1,314 1,163
Computer Equipment [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 350 260
Office Furniture and Equipment [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 25 292
Leasehold Improvements [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 33 $ 117