Note 12 Computation of Earnings Per Share (Tables)

12 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Year Ended March 31,
	2015		2014		2013
Net income	$	23,740	$	6,046	$	7,648
Weighted average shares - basic		31,531		31,146		31,025
Weighted average shares - diluted		32,239		31,916		31,695
Net income per share - basic	$	0.75	$	0.19	$	0.25
Net income per share - diluted	$	0.74	$	0.19	$	0.24