Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

v3.22.1
Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
mi
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Concentration Risk [Line Items]      
Deferred revenue $ 6,281,000   $ 5,976,000
Customer credit, period 1 year    
Revenue recognized $ 2,888,000 $ 1,341,000  
Commuter price per seat 195    
Local transport with annual pass, price per seat 95    
Annual pass price 795    
Advertising costs 1,338,000 517,000  
Depreciation and amortization 148,000 79,000  
Long-lived asset impairment charges 0 0  
Goodwill impairment charges $ 0 $ 0  
Accounts Receivable | Customer Concentration Risk | Vendor one      
Concentration Risk [Line Items]      
Concentration risk, percentage 10.00%    
Operating Expense | Supplier Concentration Risk | Vendor one      
Concentration Risk [Line Items]      
Concentration risk, percentage 14.00%    
Operating Expense | Supplier Concentration Risk | Vendor two      
Concentration Risk [Line Items]      
Concentration risk, percentage 11.00%    
Accounts Payable | Supplier Concentration Risk | Vendor one      
Concentration Risk [Line Items]      
Concentration risk, percentage 15.00%   13.00%
Minimum      
Concentration Risk [Line Items]      
Number of miles | mi 10    
Maximum      
Concentration Risk [Line Items]      
Number of miles | mi 100