Note 10 - Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		June 30,		December 31,
		2022		2021
Payroll and related	$	1,307	$	1,397
Preclinical and clinical		8,777		6,727
Prepaid sublease		228		227
Professional services		189		50
Other		1		15
Total	$	10,502	$	8,416