Note 3 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenue from Contract with Customer	$ 78,726	$ 35,673	$ 110,678	$ 53,211
Revenue from non-contractual arrangements	0	56	0	111
Revenue	78,726	35,673	110,678	53,211
Bill and Hold Revenue [Member]
Revenue from Contract with Customer	13,027	9,845	23,405	14,435
Revenue	13,027	9,845	23,405	14,435
Non-bill and Hold Revenue [Member]
Revenue from Contract with Customer	65,699	25,828	87,273	38,776
Revenue	65,699	25,828	87,273	38,776
Short-Term Contract with Customer [Member]
Revenue from Contract with Customer	14,122	3,129	24,511	5,098
Revenue	14,122	3,129	24,511	5,098
Long-Term Contract with Customer [Member]
Revenue from Contract with Customer	64,604	32,488	86,167	48,002
Revenue	$ 64,604	$ 32,488	$ 86,167	$ 48,002

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details