Note 6 - Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,		December 31,
	2023		2022
Project expenses	$	3,827	$	10,038
Compensation and benefits		1,426		1,556
Other		391		96
Total accrued expenses	$	5,644	$	11,690