CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Net sales	$ 26,182,215	$ 24,551,397	$ 51,935,071	$ 49,914,115
Cost of goods sold	18,355,124	16,279,703	36,041,697	35,238,541
Gross profit	7,827,091	8,271,694	15,893,374	14,675,574
Operating expenses	7,053,178	7,431,288	13,567,818	13,544,798
Operating profit	773,913	840,406	2,325,556	1,130,776
VAT tax charge - Brazil	0	0	0	1,583,247
Interest and other income, net	19,447	22,229	68,923	35,003
Interest expense	140,251	92,244	258,632	178,273
Income (loss) before income taxes	653,109	770,391	2,135,847	(595,741)
Provision for income taxes	69,311	197,959	388,658	177,759
Net income (loss)	$ 583,798	$ 572,432	$ 1,747,189	$ (773,500)
Net income (loss) per common share:
Basic (in dollars per share)	$ 0.11	$ 0.11	$ 0.33	$ (0.14)
Diluted (in dollars per share)	$ 0.11	$ 0.10	$ 0.33	$ (0.14)
Weighted average common shares outstanding:
Basic (in dollars)	5,225,020	5,440,411	5,223,890	5,439,921
Diluted (in dollars)	5,345,728	5,533,196	5,340,978	5,526,626