| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| | | For the three months ended June 30, | | | For the six months ended June 30, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| | | (unaudited) | | | (unaudited) | |
| (In thousands, except share and per share data) | | | | | | | | | | | | | | | | |
| Net income (loss) attributable to Lindblad Expeditions Holdings, Inc. | | $ | (1,406 | ) | | $ | (8,518 | ) | | $ | 5,094 | | | $ | (7,358 | ) |
| Series A redeemable convertible preferred stock dividend | | | - | | | | 1,223 | | | | 497 | | | | 2,426 | |
| Undistributed income (loss) available to stockholders | | $ | (1,406 | ) | | $ | (9,741 | ) | | $ | 4,597 | | | $ | (9,784 | ) |
| | | | | | | | | | | | | | | | | |
| Weighted average shares outstanding: | | | | | | | | | | | | | | | | |
| Total weighted average shares outstanding, basic | | | 65,473,335 | | | | 54,590,783 | | | | 63,529,776 | | | | 54,511,173 | |
| Dilutive potential common shares | | | - | | | | - | | | | 498,890 | | | | - | |
| Dilutive potential options | | | - | | | | - | | | | 326,122 | | | | - | |
| Total weighted average shares outstanding, diluted | | | 65,473,335 | | | | 54,590,783 | | | | 64,354,788 | | | | 54,511,173 | |
| | | | | | | | | | | | | | | | | |
| Undistributed income (loss) per share available to stockholders: | | | | | | | | | | | | | | | | |
| Basic | | $ | (0.02 | ) | | $ | (0.18 | ) | | $ | 0.07 | | | $ | (0.18 | ) |
| Diluted | | $ | (0.02 | ) | | $ | (0.18 | ) | | $ | 0.07 | | | $ | (0.18 | ) |
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