PROPERTY AND EQUIPMENT (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Property and Equipment      
Total property and equipment $ 2,370 $ 1,812  
Less: accumulated deprecation (1,332) (1,074)  
Property and equipment, net 1,038 738  
Depreciation and amortization 258 171 $ 187
Machinery and equipment      
Property and Equipment      
Total property and equipment 863 755  
Leasehold improvements      
Property and Equipment      
Total property and equipment 700 678  
Computers and office equipment      
Property and Equipment      
Total property and equipment 590 262  
Furniture and fixtures      
Property and Equipment      
Total property and equipment 117 $ 117  
Construction-in-process      
Property and Equipment      
Total property and equipment $ 100