Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	June 30,		June 30,
	2022		2021
Cash	$	23,298	$	36,194
Cash equivalents		8,010		—
Restricted cash and cash equivalents included in current assets		1,990		98
Restricted cash included in long-term assets		—		270
Total cash, cash equivalents, and restricted cash and cash equivalents shown in the Condensed Consolidated Statements of Cash Flows	$	33,298	$	36,562