Note 3 - Shares - Basic and Diluted (Tables)

9 Months Ended

Sep. 30, 2020

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,
	(unaudited)				(unaudited)
	2020		2019		2020		2019
Basic and diluted		19,291,102		19,191,848		19,275,696		19,172,772
Potentially dilutive		-		2,500		-		8,382