Note 2 - Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net loss attributable to Lindblad Expeditions Holdings, Inc.	$ (8,518)	$ (24,667)	$ (7,358)	$ (28,645)
Series A redeemable convertible preferred stock dividend	1,223	1,150	2,426	2,287
Net loss available to stockholders	$ (9,741)	$ (25,817)	$ (9,784)	$ (30,932)
Total weighted average shares outstanding, basic (in shares)	54,590,783	53,500,084	54,511,173	53,436,128
Total weighted average shares outstanding, diluted (in shares)	54,590,783	53,500,084	54,511,173	53,436,128
Basic (in dollars per share)	$ (0.18)	$ (0.48)	$ (0.18)	$ (0.58)
Diluted (in dollars per share)	$ (0.18)	$ (0.48)	$ (0.18)	$ (0.58)