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

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	December 31,		December 31,
	2022		2021
	(in thousands)
Cash	$	3,473	$	8,343
Money Market		2,856		5,287
Commerical Paper		-		4,499
Total cash and cash equivalents	$	6,329	$	18,129
Restricted Cash		1,141		1,154
Total	$	7,470	$	19,283