Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 970
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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Summary of Significant Accounting Policies - Narrative (Details)	9 Months Ended
	Sep. 30, 2026 USD ($)	Apr. 01, 2026 EUR (€)	Jan. 01, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jan. 01, 2024 USD ($)
Related Party Transaction
Annual membership fee charged			$ 50		$ 40
Deferred revenue	$ 13,600,000
Voucher liability, current	2,600,000			$ 2,900,000
Customer voucher refund liability	78,000			188,000
Merchant payables	10,419,000			11,665,000
Working capital	18,300,000
GERMANY
Related Party Transaction
Annual membership fee charged \| €		€ 40
Jack's Flight Club
Related Party Transaction
Deferred revenue	1,900,000			2,200,000
Deferred revenue recognized	2,100,000
Travelzoo North America And Travelzoo Europe
Related Party Transaction
Deferred revenue	11,700,000			$ 6,500,000
Deferred revenue recognized	$ 5,900,000
Board of Directors Chairman
Related Party Transaction
Ownership percentage held by related party	36.70%