Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net (Details)

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Property and Equipment, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]      
Less accumulated depreciation $ (209) $ (179)  
Property and equipment, net 99 140  
Depreciation 30 63 $ 63
Office equipment, leasehold improvements and furniture      
Property, Plant and Equipment [Line Items]      
Office equipment, leasehold improvements and furniture $ 308 $ 319