Note 10 - Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,
	2023		2022
Payroll and related	$	274	$	1,699
Clinical		1,680		4,943
Sublease prepayment		239		233
Professional services		40		116
Other		—		266
Total	$	2,233	$	7,257