Note 11 - Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Interest expense, net	$ (1,332)	$ (2,309)
Accounts Payable, Current, Total	59,694		$ 51,624
Other Professional Services
Professional fees	71
Ramaco Coal, LLC
Interest expense, net		$ 800
Ramaco Coal, LLC | Accounts Payable
Due to Related Parties, Total	$ 100
Accounts Payable, Current, Total			$ 400