Note 6 - Leases (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Lease, Cost [Table Text Block]

	Year Ended December 31,
	2020		2019
Operating leases	$	1,716	$	2,024
Short-term leases		299		284
Total lease cost	$	2,015	$	2,308

Weighted-average remaining lease term (in years)	5.5
Weighted-average discount rate	3.4	%

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

2021	$	1,184
2022		1,081
2023		583
2024		261
2025		261
Thereafter		990
Total lease payments	$	4,360
Less: imputed interest		(422	)
Present value of lease liabilities	$	3,938