CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Net sales	$ 21,736,990	$ 23,980,711
Cost of goods sold	15,657,374	16,669,351
Gross profit	6,079,616	7,311,360
Operating expenses	6,316,247	7,286,423
Operating profit	(236,631)	24,937
Foreign exchange loss Brazil	(27,142)	(315,787)
Arbitration judgment in Brazil	0	(10,000,000)
Other expense and other income, net	(128,579)	59,374
Interest expense	(273,435)	(236,392)
Loss before income taxes	(665,787)	(10,467,868)
Provision (benefit) for income taxes	178,693	(346,402)
Net loss	$ (844,480)	$ (10,121,466)
Net loss per common share
Basic (in dollars per share)	$ (0.16)	$ (1.94)
Diluted (in dollars per share)	$ (0.16)	$ (1.94)
Weighted average common shares outstanding:
Basic (in shares)	5,337,205	5,225,478
Diluted (in shares)	5,337,205	5,225,478