Note 10 - Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,	December 31,
	2022	2021
Payroll and related	$ 1,699	$ 1,397
Preclinical and clinical	4,943	6,727
Sublease prepayment	233	227
Professional services	116	50
Other	266	15
Total	$ 7,257	$ 8,416