Note 6 - Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2023		2022
Project expenses	$	6,583	$	10,038
Compensation and benefits		989		1,556
Other		255		96
Total accrued expenses	$	7,827	$	11,690