General form of registration statement for all companies including face-amount certificate companies

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

v3.20.4
PROPERTY AND EQUIPMENT - Property and Equipment - Net (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]        
Property and equipment-gross $ 33,259   $ 32,169 $ 25,188
Less: accumulated depreciation (19,658)   (13,782) (6,191)
Property, Plant and Equipment, Net, Total 13,601   18,387 18,997
Depreciation and amortization expense 6,525 $ 5,754 8,087 4,204
Equipment        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 13,502   13,358  
Property, Plant and Equipment, Net, Total     13,358 8,306
Furniture and fixtures        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 895   895  
Property, Plant and Equipment, Net, Total     895 875
Computer equipment        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 1,089   1,089  
Property, Plant and Equipment, Net, Total     1,089 1,045
Tooling        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 1,823   1,823  
Property, Plant and Equipment, Net, Total     1,823 1,303
Software        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 1,235   954  
Property, Plant and Equipment, Net, Total     954 302
Leasehold improvements        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 13,870   13,880  
Property, Plant and Equipment, Net, Total     13,880 13,357
Construction in process        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 845   170  
Property, Plant and Equipment, Net, Total     170  
PPE not including acquired technology or capitalized software        
Property, Plant and Equipment [Line Items]        
Depreciation and amortization expense $ 5,900 $ 5,300 $ 7,600 $ 4,100