Annual report [Section 13 and 15(d), not S-K Item 405]

Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)

v3.25.0.1
Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)
 8 Months Ended 12 Months Ended
Aug. 30, 2021
phone
Dec. 31, 2024
USD ($)
segment
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Capital Leased Assets [Line Items]        
Number of operating segments | segment   1    
Number of reportable segments | segment   1    
Number of phones that can be included without adjustment to subscription price | phone 10      
Title transfer period   36 months    
Hardware (embedded lease)   $ 4,661,000 $ 4,521,000 $ 4,237,000
Restricted cash   0 0  
Accumulated deficit   291,013,000 262,667,000  
Realized gains   2,100,000 2,700,000 400,000
Provision for losses on accounts receivable   1,867,000 1,164,000 729,000
Allowance for doubtful accounts   $ (500,000) (200,000)  
Amortization period   3 years    
Impairment of long-lived asset   $ 0 0 0
Advertising expense   $ 11,800,000 $ 8,300,000 $ 6,300,000
Amortization period   3 years    
Phone hardware        
Capital Leased Assets [Line Items]        
Useful life   3 years    
Estimated Useful Life   3 years    
Revolving credit facility | Line of Credit        
Capital Leased Assets [Line Items]        
Borrowings outstanding   $ 0    
Remaining borrowing capacity   $ 50,000,000.0