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Note 12 - Acquisition (Details Textual) $ in Thousands			3 Months Ended	12 Months Ended
Note 12 - Acquisition (Details Textual) $ in Thousands	Jan. 09, 2025 USD ($)	Jul. 31, 2024 USD ($) shares	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Goodwill			$ 59,198	$ 59,031
Torcatt Enterprises Limitada [Member]
Number of Vessels Owned	2
Payments to Acquire Businesses, Gross	$ 16,000
Business Combination, Acquisition-Related Cost, Expense			$ 200
Wineland - Thomson Adventures [Member]
Payments to Acquire Businesses, Gross		$ 24,000
Business Combination, Acquisition-Related Cost, Expense				2,700
Business Combination, Consideration Transferred		30,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 6,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) \| shares		682,593
Goodwill				17,000
Wineland - Thomson Adventures [Member] \| Tradenames and Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				$ 8,600