Note 13 - Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

	June 30, 2022
	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	3,796	$	3,796	$	3,796	$	-	$	-
Restricted cash		38,392		38,392		38,392		-		-
Investments		29,913		29,913		29,913		-		-
Restricted investments		138,072		136,330		136,330		-		-
	$	210,173	$	208,431	$	208,431	$	-	$	-
Liabilities
Bonds payable	$	160,832	$	140,849	$	-	$	140,849	$	-
Warrants liability		6,534		6,534		3,060		3,474		-
	$	167,366	$	147,383	$	3,060	$	144,323	$	-

	December 31, 2021
	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	6,805	$	6,805	$	6,805	$	-	$	-
Restricted cash		197,130		197,130		197,130		-		-
	$	203,935	$	203,935	$	203,935	$	-	$	-
Liabilities
Bonds payable	$	160,679	$	173,093	$	-	$	173,093	$	-
	$	160,679	$	173,093	$	-	$	173,093	$	-