Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Property and Equipment under Capital Leases (Detail)

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Property and Equipment, Net - Property and Equipment under Capital Leases (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property and equipment $ 19,951 $ 18,501
Less accumulated depreciation and amortization (9,481) (9,047)
Property and equipment under capital leases, net 10,470 9,454
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 13,109 13,655
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 1,081 1,250
Computer Hardware [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 5,178 2,846
Computer Software [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 514 651
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 69 $ 99