Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net income attributable to Travelzoo—continuing operations	$ 3,184	$ 2,353	$ 10,347	$ 8,652
Net loss attributable to Travelzoo—discontinued operations	$ 0	$ (5)	$ 0	$ (5)
Denominator:
Weighted average common shares - basic (in shares)	12,176,000	14,769,000	12,851,000	15,242,000
Effect of dilutive securities: stock options (in shares)	210,000	52,000	184,000	65,000
Weighted average common shares - diluted (in shares)	12,386,000	14,821,000	13,035,000	15,307,000
Income per share—basic
Continuing operations (in dollars per share)	$ 0.26	$ 0.16	$ 0.81	$ 0.57
Discontinued operations (in dollars per share)	0	0	0	0
Net income per share - basic (in dollars per share)	0.26	0.16	0.81	0.57
Income per share—diluted
Continuing operations (in dollars per share)	0.26	0.16	0.79	0.57
Discontinuing operations (in dollars per share)	0	0	0	0
Income per share - diluted (in dollars per share)	$ 0.26	$ 0.16	$ 0.79	$ 0.56
Anti-dilutive shares not included in computation of net income (loss) per common share (in shares)	612,500	950,000	612,500	750,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1