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
Dec. 31, 2016
Dec. 31, 2015
Components of property and equipment    
Total $ 2,683 $ 2,458
Less accumulated depreciation (2,150) (1,799)
Property and equipment, net 533 659
Vehicles [Member]    
Components of property and equipment    
Total 777 777
Computers and Office Equipment [Member]    
Components of property and equipment    
Total 966 905
Equipment [Member]    
Components of property and equipment    
Total 764 605
Software [Member]    
Components of property and equipment    
Total $ 176 $ 171