Note 3 - Cash and Investments

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Cash, Cash Equivalents, and Short-Term Investments [Text Block]

3. Cash and Investments 

Cash, cash equivalents, restricted cash and short-term investments consisted of the following (in thousands):  

	December 31,
	2022		2021
Cash	$	2,243	$	2,506
Cash equivalents (see detail in Note 4)		33,171		37,023
Restricted cash (see detail in Note 4)		221		557
Total cash, cash equivalents and restricted cash		35,635		40,086
Short-term investments		7		—
Total cash, cash equivalents, restricted cash and short-term investments	$	35,642	$	40,086