Note 7 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Basic weighted-average shares		30,264,000		24,701,000		29,356,000		24,656,000
Conversion of unsecured loan notes		—		—		—		—
Unexercised options and unvested RSUs		71,000		419,000		126,000		—
Diluted weighted-average shares		30,335,000		25,120,000		29,482,000		24,656,000