Note 16 - Summary of Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Mar. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	Fiscal 2014 Quarter Ended
	30-Jun		30-Sep		31-Dec		31-Mar
Net sales	$	71,526	$	71,320	$	72,521	$	72,482
Gross profit		13,384		13,271		13,896		14,465
Income after income taxes
Continuing operations		90		205		305		507
Discontinued operations		189		893		1,606		397
Net income	$	279	$	1,098	$	1,911	$	904
Basic earnings per common share:
Net income from continuing operations	$	0.01	$	0.02	$	0.02	$	0.03
Net income from discontinued operations	$	0.01	$	0.05	$	0.10	$	0.03
Total	$	0.02	$	0.07	$	0.12	$	0.06
Diluted earnings per common share:
Net income from continuing operations	$	0.01	$	0.02	$	0.02	$	0.03
Net income from discontinued operations	$	0.01	$	0.05	$	0.10	$	0.02
Total	$	0.02	$	0.07	$	0.12	$	0.05

	Fiscal 2013 Quarter Ended
	30-Jun			30-Sep			31-Dec			31-Mar
Net sales	$	70,177		$	72,393		$	72,824		$	69,369
Gross profit		12,214			12,366			13,558			12,759
Income (loss) after income taxes
Continuing operations		(387	)		(507	)		(56,536	)		(624	)
Discontinued operations		250			572			1,033			1,343
Net income (loss)	$	(137	)	$	65		$	(55,503	)	$	719
Basic earnings per common share:
Net income (loss) from continuing operations	$	(0.03	)	$	(0.03	)	$	(3.45	)	$	(0.04	)
Net income from discontinued operations	$	0.02		$	0.03		$	0.06		$	0.08
Total	$	(0.01	)	$	-		$	(3.39	)	$	0.04
Diluted earnings per common share:
Net income (loss) from continuing operations	$	(0.03	)	$	(0.03	)	$	(3.45	)	$	(0.04	)
Net income from discontinued operations	$	0.02		$	0.03		$	0.06		$	0.08
Total	$	(0.01	)	$	-		$	(3.39	)	$	0.04