Note 7 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
Basic weighted-average shares		30,296,000		30,264,000		30,287,000		29,356,000
Conversion of unsecured loan notes		—		—		—		—
Unexercised options and unvested RSUs		75,000		71,000		—		126,000
Diluted weighted-average shares		30,371,000		30,335,000		30,287,000		29,482,000