Note 9 - Significant Risk Concentrations (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Rebate Credit [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Reductions to cost of revenue	$	94	$	103	$	229	$	209
Reductions to marketing expense		69		120		174		177