Note 4 - Basic and Diluted Net Income (Loss) 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
Weighted average common shares outstanding, basic		5,542		5,526		5,542		5,522
Dilutive common equivalent shares		84		-		72		-
Weighted average common shares outstanding, diluted		5,626		5,526		5,614		5,522