Note 6 - Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,		December 31,
	2022		2021
Compensation and benefits	$	1,218	$	1,601
Project expenses		4,436		704
Accrued milestone		—		6,000
Other		88		470
Total accrued expenses	$	5,742	$	8,775