The exercise price for call options.

No definition available.

Name:	lind_CallOptionsExercisePrice
Namespace Prefix:	lind_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of issued and outstanding shares issuable by the called of options.

+ References

No definition available.

+ Details

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

- Definition

The number of shares escrowed common stock.

+ References

No definition available.

+ Details

Name:	lind_EscrowedCommonStock
Namespace Prefix:	lind_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares contributed to a charitable fund.

+ References

No definition available.

+ Details

Name:	lind_SharesContributedToCharitableFund
Namespace Prefix:	lind_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

+ Details

Name:	us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lind_CapitolAcquisitionCorpIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lind_NationalGeographicSocietyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=lind_CollaborateAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lind_NationalGeographicJointFundForExplorationAndConservationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 14 - Related Party Transactions - Stockholder Loans (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jul. 08, 2015	Dec. 31, 2018	Dec. 31, 2017	May 04, 2016
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	15,600,000
Escrowed Common Stock	1,250,000
Promissory Notes, Natural Habitat Acquisition [Member]
Debt Instrument, Face Amount				$ 2,500
Capitol Acquisition Corp. II [Member]
Sale of Stock, Price Per Share	$ 13
National Geographic Society [Member] \| Collaborate Agreement [Member]
Call Options, Exercise Price	$ 10
Call Options, Percentage of Issued and Outstanding Shares	5.00%
National Geographic Society [Member] \| Collaborate Agreement [Member] \| Selling, General and Administrative Expenses [Member]
Related Party Transaction, Amounts of Transaction		$ 6,100	$ 5,200
National Geographic Joint Fund for Exploration and Conservation [Member]
Shares Contributed to Charitable Fund	500,000