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

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	December 31,		December 31,
	2021		2020
Employee compensation expense	$	4,358	$	14
Terminal asset costs		926		650
Accrued legal services		70		5
Other accrued liabilities		437		363
Total accrued liabilities and other current liabilities	$	5,791	$	1,032