Note 8 - Accrued Liabilities and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block]

	December 31,		December 31,
	2022		2021
Employee compensation expense	$	6,650	$	4,358
Terminal asset costs		12,046		926
Permitting costs		279		—
Accrued legal services		3,124		70
Share-based compensation liability		182		182
Other accrued liabilities		903		437
Total accrued liabilities and other current liabilities	$	23,184	$	5,973