Note 7 - Other Non-current Assets - Schedule of Other Non-current Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Permitting costs	[1]	$ 8,575	$ 7,609
Enterprise resource planning system, net		0	354
Rio Grande Site Lease initial direct costs		19,612	13,314
Deposits and other		185	35
Total other non-current assets, net		$ 28,372	$ 21,312

[1] Permitting costs primarily represent costs incurred in connection with permit applications to the United States Army Corps of Engineers and the U.S. Fish and Wildlife Service for mitigation measures for potential impacts to wetlands and habitat that may be caused by the construction of the Terminal and the Pipeline.