Quarterly report pursuant to Section 13 or 15(d)

Presentation and Summary of Significant Accounting Policies - Additional Information (Details)

v3.23.3
Presentation and Summary of Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Customer
Sep. 30, 2023
USD ($)
Customer
Segment
Sep. 30, 2022
USD ($)
Customer
Dec. 31, 2022
USD ($)
Customer
Dec. 31, 2021
USD ($)
Aug. 31, 2023
USD ($)
Significant Accounting Policies [Line Items]              
Decrease in other income, net $ (2,456,000) $ (1,249,000) $ 1,409,000 $ (3,666,000)      
Increase in benefit from provision for income taxes (977,000) 26,000 (2,622,000) (1,442,000)      
Increase in foreign currency translation loss, net of income taxes 1,749,000 66,000 (14,000) 642,000      
Positive (negative) cash flows from operations     (48,111,000) (24,630,000) $ 3,737,000 $ 7,234,000  
Positive (negative) cash flows from investing activities     (53,745,000) (11,116,000)      
Positive (negative) cash flows from financing activities     (10,487,000) (22,903,000)      
Net loss (24,541,000) $ (4,886,000) (70,800,000) $ (30,268,000) 25,557,000 $ 64,672,000  
Accumulated deficit 442,071,000   442,071,000   371,271,000    
Cash and cash equivalents 72,070,000   72,070,000   184,423,000    
Revenue recognized     2,081,000        
Transaction price remaining performance obligations $ 27,595,000   $ 27,595,000        
Transaction price remaining performance obligations percentage 57.00%   57.00%        
Number of reportable segment | Segment     1        
Revision of Prior Period, Error Correction, Adjustment [Member]              
Significant Accounting Policies [Line Items]              
Decrease in other income, net $ (2,443,000)            
Increase in benefit from provision for income taxes 257,000            
Increase in foreign currency translation loss, net of income taxes 2,187,000            
Credit Facility [Member]              
Significant Accounting Policies [Line Items]              
Maximum borrowing capacity 30,000,000   $ 30,000,000       $ 30,000,000
Average outstanding amount     0        
Advertising Customers [Member]              
Significant Accounting Policies [Line Items]              
Cash received $ 58,002,000   $ 58,002,000   $ 93,118,000    
Sales Revenue [Member] | Customer Concentration Risk [Member]              
Significant Accounting Policies [Line Items]              
Number of major customers | Customer   1 1 1 1    
Sales Revenue [Member] | Customer Concentration Risk [Member] | Minimum [Member]              
Significant Accounting Policies [Line Items]              
Concentration risk percentage 10.00% 10.00% 10.00% 10.00% 10.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Commercial Enterprise [Member] | Minimum [Member]              
Significant Accounting Policies [Line Items]              
Concentration risk percentage     10.00%