Note 4 - Net Income Per Share (Tables)

9 Months Ended

Dec. 31, 2015

Notes Tables

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

	Quarter Ended Dec. 31
	2015		2014
Weighted average common shares outstanding – basic		4,844,845		4,857,953
Dilutive effect of stock options		2,125		18,121
Shares used in computing net income per share – diluted		4,846,970		4,876,074

	Nine Months Ended Dec. 31
	2015		2014
Weighted average common shares outstanding – basic		4,853,970		4,854,702
Dilutive effect of stock options		3,133		16,568
Shares used in computing net income per share – diluted		4,857,103		4,871,270