Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	September 30,		September 30,
	2021		2020
Cash and cash equivalents	$	35,161	$	9,418
Restricted cash included in current assets		891		2,025
Restricted cash included in long-term assets		270		367
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	36,322	$	11,810