Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Narrative (Details)

v3.21.1
Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 09, 2020
Sep. 29, 2020
Mar. 09, 2020
Dec. 17, 2019
Dec. 31, 2020
Dec. 31, 2019
Obligation with Joint and Several Liability Arrangement [Line Items]            
Rent expense under operating leases         $ 843 $ 727
Gain (loss) related to litigation settlement         (4,500)  
Accrued legal settlement         3,000 0
Pending Litigation | Uber's First Amended Cross-Complaint            
Obligation with Joint and Several Liability Arrangement [Line Items]            
Stock issued during period, value, issued for services           $ 17,000
Pending Litigation | Plaintiffs v. The Company            
Obligation with Joint and Several Liability Arrangement [Line Items]            
Stock issued during period, value, issued for services       $ 1,000    
Loss contingency, shares lock-up, period       180 days    
Pending Litigation | Ellenoff Grossman & Schole LLP v. Stellar Acquisition III, Corp            
Obligation with Joint and Several Liability Arrangement [Line Items]            
Stock issued during period, value, issued for services     $ 690      
Settled Litigation | Settlement Agreement            
Obligation with Joint and Several Liability Arrangement [Line Items]            
Amount awarded to other party $ 6,000          
Settled Litigation | Settlement Agreement | Insurance Carrier            
Obligation with Joint and Several Liability Arrangement [Line Items]            
Payment to other party 1,500          
Settled Litigation | Settlement Agreement | Phunware            
Obligation with Joint and Several Liability Arrangement [Line Items]            
Payment to other party $ 4,500          
Settled Litigation | Ellenoff Grossman & Schole LLP v. Stellar Acquisition III, Corp            
Obligation with Joint and Several Liability Arrangement [Line Items]            
Amount awarded to other party   $ 600        
Accounts payable and accrued expenses related to alleged unpaid invoices         $ 690