Note 4 - Cash, Cash Equivalents and Restricted Cash (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block]

	2020		2019
Cash and cash equivalents	$	4,210	$	1,446
Restricted cash		3,885		7,185
Cash, cash equivalents and restricted cash	$	8,095	$	8,631