Note 1 - Business (Details Textual)	Dec. 31, 2019
Number of Expedition Ships Operated	8
Number of Seasonal Charter Vessels Operated	5

Represents the number of seasonal charter vessels operated by the Company.

No definition available.

Name:	lind_NumberOfSeasonalCharterVesselsOperated
Namespace Prefix:	lind_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant