Note 2 - Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net income (loss) attributable to Lindblad Expeditions Holdings, Inc.	$ 22,515	$ 5,638	$ (6,130)	$ (18,205)
Series A redeemable convertible preferred stock dividend	1,168	1,098	3,455	3,255
Net income (loss) available to stockholders	$ 21,347	$ 4,540	$ (9,585)	$ (21,460)
Total weighted average shares outstanding, basic (in shares)	54,097,365	53,309,336	53,662,237	53,227,642
Dilutive potential common shares (in shares)	163,798	91,365	0	0
Dilutive potential options (in shares)	129,796	1,098	0	0
Dilutive potential redeemable convertible preferred shares (in shares)	8,200,206	0	0	0
Total weighted average shares outstanding, diluted (in shares)	62,591,165	53,401,799	53,662,237	53,227,642
Basic (in dollars per share)	$ 0.39	$ 0.08	$ (0.18)	$ (0.4)
Diluted (in dollars per share)	$ 0.36	$ 0.08	$ (0.18)	$ (0.4)