Note 1 - Organization and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Cash, Cash Equivalents and Investments [Table Text Block]

(in thousands)
	December 31, 2022		December 31, 2021
Cash and cash equivalents	$	205,651	$	385,143
Restricted cash		31,568		65,299
Total cash, cash equivalents and restricted cash	$	237,219	$	450,442