Note 13 Computation of Earnings Per Share (Tables)

9 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

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

	Three Months Ended				Nine Months Ended
		December 31,				December 31,
	2012		2011		2012		2011
	(unaudited)				(unaudited)
Net income	$	1,189	$	5,671	$	9,553	$	26,594
Weighted average shares - basic		31,005		31,203		31,222		31,335
Weighted average shares - diluted		31,487		32,238		31,917		32,505
Net income per share - basic	$	0.04	$	0.18	$	0.31	$	0.85
Net income per share - diluted	$	0.04	$	0.18	$	0.30	$	0.82