Note 7 - Accrued Liabilities and Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	March 31,		December 31,
	2022		2021
Employee compensation expense	$	1,446	$	4,358
Terminal costs		839		926
Accrued legal services		138		70
Other accrued liabilities		392		437
Total accrued liabilities and other current liabilities	$	2,815	$	5,791