Note 7 - Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Lease cost:
Operating lease cost	$	34	$	33	$	99	$	91
Variable lease cost		5		7		19		22
Total	$	39	$	40	$	118	$	113