Note 4 - Net Income Per Share (Tables)

9 Months Ended

Dec. 31, 2020

Notes Tables

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

	Quarter Ended Dec. 31
	2020		2019
Weighted average common shares outstanding – basic		4,833,232		4,846,010
Dilutive effect of stock options		29		1,426
Shares used in computing net income per share – diluted		4,833,261		4,847,436

	Nine Months Ended Dec. 31
	2020		2019
Weighted average common shares outstanding – basic		4,834,324		4,846,010
Dilutive effect of stock options		87		2,496
Shares used in computing net income per share – diluted		4,834,411		4,848,506