Note 9 - Earnings Per Share Attributable to Common Stockholders (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
Service Period Stock Options		1,269		1,275		1,259		1,298
Restricted Stock Units		149		160		147		173
Performance Stock Options		944		886		944		886
Total		2,362		2,321		2,350		2,357