Note 10 - Quarterly Data (Unaudited) (Tables)

12 Months Ended

Mar. 31, 2013

Quarterly Financial Information [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	Total Revenues		Gross Profit		Net Income		Basic Earnings Per Share (a)		Diluted Earnings Per Share (a)
FY 2013:
Fourth Quarter	$	31,087	$	8,489	$	1,816	$	0.24	$	0.24
Third Quarter		29,324		6,630		782		0.11		0.10
Second Quarter		26,788		6,078		745		0.10		0.10
First Quarter		25,097		6,207		361		0.05		0.05
FY 2012:
Fourth Quarter	$	30,772	$	7,885	$	1 ,207	$	0.16	$	0.16
Third Quarter		28,460		6,788		1,024		0.14		0.13
Second Quarter		25,183		6,153		746		0.10		0.10
First Quarter		25,605		6,298		325		0.04		0.04