XML 16 R54.htm IDEA: XBRL DOCUMENT

Financial Summary by Quarter -Unaudited - Schedule of Financial Summary by Quarter (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	May 31, 2014	Feb. 28, 2014	Nov. 30, 2013	Aug. 31, 2013	May 31, 2013	Feb. 28, 2013	Nov. 30, 2012	Aug. 31, 2012	May 31, 2014	May 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 57,701	$ 38,772	$ 46,263	$ 48,994	$ 48,832	$ 36,986	$ 41,836	$ 49,920	$ 191,730	$ 177,574
Gross profit (loss)	2,883	(146)	3,221	4,329	5,259	471	2,674	3,059	10,287	11,463
Net (loss) income	$ (2,560)	$ (5,712)	$ (2,213)	$ (1,379)	$ 45	$ (5,365)	$ (1,725)	$ (3,468)	$ (11,864)	$ (10,513)
Basic (loss) income per share	$ (0.30)	$ (0.68)	$ (0.27)	$ (0.16)	$ 0.01	$ (0.64)	$ (0.21)	$ (0.41)	$ (1.41)	$ (1.25)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.