Note 3 - Income Taxes (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Income Tax Provisions and Rates [Table Text Block]

	Three months ended
	March 31,
	2022			2021
Provision for income taxes	$	(180	)	$	(226	)
Effective tax rate		23.7	%		27.4	%