Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT - Property and Equipment - Net (Details)

v3.20.4
PROPERTY AND EQUIPMENT - Property and Equipment - Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Property and equipment-gross $ 33,495 $ 32,169
Less: accumulated depreciation (21,335) (13,782)
Property, Plant and Equipment, Net, Total 12,160 18,387
Depreciation and amortization expense 8,589 8,087
Equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment-gross 13,708 13,358
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property and equipment-gross 895 895
Computer equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment-gross 1,089 1,089
Tooling    
Property, Plant and Equipment [Line Items]    
Property and equipment-gross 1,805 1,823
Software    
Property, Plant and Equipment [Line Items]    
Property and equipment-gross 1,249 954
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment-gross 13,870 13,880
Construction in process    
Property, Plant and Equipment [Line Items]    
Property and equipment-gross 879 170
PPE not including acquired technology or capitalized software    
Property, Plant and Equipment [Line Items]    
Depreciation and amortization expense $ 7,600 $ 7,600