Note 7 - Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2023		2022		2023		2022
Basic weighted-average shares		30,324,000		30,296,000		30,310,000		30,282,000
Conversion of unsecured loan notes		—		—		—		—
Unexercised options and unvested RSUs		—		—		—		—
Diluted weighted-average shares		30,324,000		30,296,000		30,310,000		30,282,000