XML 26 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2020
Jun. 25, 2020
Document and Entity Information [Abstract]    
Entity Registrant Name Travelzoo  
Entity Central Index Key 0001133311  
Document Type 10-Q  
Document Period End Date Mar. 31, 2020  
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Emerging Growth Company false  
Entity Shell Company false  
Entity Small Business true  
Entity Common Stock, Shares Outstanding   11,310,431