Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Narrative (Details)

v3.20.4
Property and Equipment - Narrative (Details)
ft² in Thousands, $ in Thousands
1 Months Ended 12 Months Ended
May 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Aug. 28, 2020
ft²
Sep. 20, 2018
ft²
Property, Plant and Equipment [Line Items]            
Depreciation   $ 1,507 $ 933 $ 774    
Heights Union            
Property, Plant and Equipment [Line Items]            
Area of lease property | ft²         75 75
Escrow Deposits Related to Property Sales $ 6,289          
Escrow Deposit Disbursements Related to Property Acquisition   5,447        
Balance remaining in the escrow account   $ 842