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Note 3 - Business Combination (Details Textual) - USD ($) $ in Thousands				3 Months Ended
	Mar. 31, 2026	Mar. 09, 2026	Feb. 06, 2026	Mar. 31, 2026	Mar. 31, 2025
Equity Method Investment, Change in Fair Value				$ (2,302)	$ 0
FLYTE [Member]
Equity Method Investment, Change in Fair Value				(2,300)
Equity Method Investments, Fair Value Disclosure		$ 2,900	$ 5,200
FLYTE [Member]
Business Combination, Voting Equity Interest Acquired, Percentage		80.02%	19.98%
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares (in shares)		5,778
Equity Method Investment, Change in Fair Value	$ 2,900
Business Combination, Consideration Transferred		$ 14,753
Goodwill, Net of Additional Recognized Liabilities		9,700
Goodwill, Deferred Tax Liabilities		$ 300
Business Combination, Acquisition-Related Cost, Expense				$ 100
FLYTE [Member] \| Series D Preferred Stock [Member]
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares (in shares)		5,778	5,250
Ponderosa Air [Member]
Business Combination, Voting Equity Interest Acquired, Percentage		100.00%