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

12 Months Ended

Dec. 31, 2023

Notes Tables

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

	December 31,		December 31,
	2023		2022
	(in thousands)
Cash	$	4,588	$	3,473
Money market		5,521		2,856
U.S. treasuries		6,987		-
Total cash and cash equivalents	$	17,096	$	6,329
Restricted cash		1,642		1,141
Total	$	18,738	$	7,470