Note 4 - Leases (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Lease, Cost [Table Text Block]

	December 31, 2022
Weighted average remaining lease term (years)		4.89
Weighted average discount rate		3.20	%

	Year ended December 31,
	2021		2022
Operating lease cost	$	3,085	$	3,288
Cash payments for operating leases	$	3,175	$	3,211

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

2023		3,040
2024		2,487
2025		1,877
2026		851
2027 and thereafter		2,121
Total undiscounted cash flows		10,376
Less imputed interest		691
Present value of lease liabilities	$	9,685