Post-effective amendment to a registration statement that is not immediately effective upon filing

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

v3.21.1
PROPERTY AND EQUIPMENT - Property and Equipment - Net (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]        
Property and equipment-gross $ 35,062   $ 33,495 $ 32,169
Less: accumulated depreciation (22,731)   (21,335) (13,782)
Total property and equipment, net 12,331   12,160 18,387
Depreciation and amortization expense 3,892 $ 2,321 8,589 8,087
Equipment        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 14,532   13,708 13,358
Furniture and fixtures        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 924   895 895
Computer equipment        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 1,124   1,089 1,089
Tooling        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 1,805   1,805 1,823
Software        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 1,340   1,249 954
Leasehold improvements        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 14,274   13,870 13,880
Construction in process        
Property, Plant and Equipment [Line Items]        
Property and equipment-gross 1,063   879 170
PPE not including acquired technology or capitalized software        
Property, Plant and Equipment [Line Items]        
Depreciation and amortization expense $ 1,500 $ 2,100 $ 7,600 $ 7,600