Note 5 - Income Taxes (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	Three months ended						Nine months ended
	September 30,						September 30,
	2021			2020			2021			2020
Provision for income taxes	$	(109	)	$	(23	)	$	(402	)	$	(33	)
Effective tax rate		22.7	%		5.1	%		22.1	%		11.3	%