CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF NET (LOSS) INCOME AND COMPREHENSIVE (LOSS) INCOME
Net sales	$ 29,385	$ 30,304	$ 89,689	$ 84,906
Cost of goods sold	16,540	16,486	49,024	44,444
Gross profit	12,845	13,818	40,665	40,462
Operating expenses
Selling, general and administrative	12,619	10,778	34,946	31,935
Depreciation and amortization	521	363	1,555	979
Contingent consideration buy-out expense			8,732
Total operating expenses	13,140	11,141	45,233	32,914
Operating (loss) income	(295)	2,677	(4,568)	7,548
Interest expense	116	63	313	277
(Loss) income before provision for taxes	(411)	2,614	(4,881)	7,271
Income tax (benefit) expense	(124)	1,224	621	3,669
Net (loss) income and comprehensive (loss) income	$ (287)	$ 1,390	$ (5,502)	$ 3,602
(Loss) earnings per common share - basic (in dollars per share)	$ 0.00	$ 0.02	$ (0.08)	$ 0.06
(Loss) earnings per common share - diluted (in dollars per share)	$ 0.00	$ 0.02	$ (0.08)	$ 0.05
Weighted average shares outstanding
Basic (in shares)	67,413	65,676	67,038	65,319
Diluted (in shares)	67,413	66,756	67,038	66,273