Note 4 - Net Income Per Share (Tables)

6 Months Ended

Sep. 30, 2019

Notes Tables

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

	Quarter Ended Sept. 30
	2019		2018
Weighted average common shares outstanding – basic		4,846,010		4,843,032
Dilutive effect of stock options		1,871		9,612
Shares used in computing net income per share – diluted		4,847,881		4,852,644

	Six Months Ended Sept. 30
	2019		2018
Weighted average common shares outstanding – basic		4,846,010		4,842,524
Dilutive effect of stock options		3,347		8,548
Shares used in computing net income per share – diluted		4,849,357		4,851,072