XML 98 R81.htm IDEA: XBRL DOCUMENT v3.19.2
Fixed Assets, net - Schedule of Fixed Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Less accumulated depreciation and amortization $ (6,837) $ (6,304)
Total 8,604 9,122
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 2,259 2,244
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 2,218 2,218
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross $ 10,964 $ 10,964