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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2004
Dec. 31, 2002
Loss Contingencies        
Operating leases, rent expense $ 2,800 $ 2,600    
Sublease income 271 $ 353    
Purchase obligation $ 535      
Minimum        
Loss Contingencies        
Remaining lease term (in years) 1 year      
Term of lease 1 year      
Maximum        
Loss Contingencies        
Term of lease 7 years      
Travel Zoo Com Corporation        
Loss Contingencies        
Period for receiving shares under merger (in years)     2 years 2 years
Number of shares exchanged under merger(in shares)       1
Board of Directors Chairman        
Loss Contingencies        
Ownership percentage held by related party 40.20% 50.30%