Note 13 - Subsequent Event (Details Textual) - Second Export Credit Agreement [Member] - Subsequent Event [Member] $ in Millions	Apr. 08, 2019 USD ($)
Debt Agreement, Maximum Borrowing Capacity	$ 122.8
Percentage of Purchase Price, Financing Maximum	80.00%
Debt Instrument, Interest Rate, Stated Percentage	6.36%
London Interbank Offered Rate (LIBOR) Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	3.00%

Maximum borrowing capacity under a debt agreement on the amount that could be borrowed with a combination of, but not limited to, a line of credit and term loan.

No definition available.

+ Details

Name:	lind_DebtAgreementMaximumBorrowingCapacity
Namespace Prefix:	lind_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum financing available in percentage of purchase price pursuant to the agreement.

+ References

No definition available.

+ Details

Name:	lind_PercentageOfPurchasePriceFinancingMaximum
Namespace Prefix:	lind_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=lind_SecondExportCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLiborSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: