Note 4 - Net Income Per Share (Tables)

6 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Weighted Average Number of Shares [Table Text Block]

	Quarter Ended Sept. 30
	2020		2019
Weighted average common shares outstanding – basic		4,834,709		4,846,010
Dilutive effect of stock options		100		1,871
Shares used in computing net income per share – diluted		4,834,809		4,847,881

	Six Months Ended Sept. 30
	2020		2019
Weighted average common shares outstanding – basic		4,834,872		4,846,010
Dilutive effect of stock options		114		3,347
Shares used in computing net income per share – diluted		4,834,986		4,849,357