Note 9 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Lease, Weighted Average Remaining Lease Term (Month)	31 months
Operating Lease, Expense	$ 2.7	$ 2.3	$ 2.0
Letters of Credit Outstanding, Amount	1.2
National Geographic [Member]
Royalty Expense	7.6	5.7	1.7
World Wildlife Fund [Member]
Royalty Expense	1.2	$ 1.1	$ 0.6
United States Tour Operators Association [Member]
Letters of Credit Outstanding, Amount	$ 1.0
Mr. Bressler [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%
Mr. Lawrence, President of Off the Beaten Path [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%
DuVine [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	30.00%
Minority Interest Ownership, Call Option for Additional Ownership, Percent	10.00%
Classic Journeys, LLC [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%

The call option for additional ownership percentage for the minority interest ownership.

No definition available.

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Namespace Prefix:	lind_
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Balance Type:	na
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

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- Definition

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

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Balance Type:	debit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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