Note 3 - Income Per Share (Tables)

12 Months Ended

Mar. 31, 2013

Schedule of Earnings Per Share Reconciliation [Table Text Block]

	Net Income						Shares						Net income per share
	2013		2012		2011		2013		2012		2011		2013			2012			2011
Basic EPS
Basic calculation	$	7,468	$	6,158	$	2,213		4,400,000		4,906,000		5,403,000	$	1.70		$	1.26		$	.41
Effect of dilutive employee stock options		-		-		-		188,000		143,000		101,000		(.07	)		(.04	)		(.01	)
Diluted EPS
Diluted calculation	$	7,468	$	6,158	$	2,213		4,588,000		5,049,000		5,504,000	$	1.63		$	1.22		$	.40