CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (USD $)	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Sales, net	$ 72,713,748	$ 55,183,941
Cost of goods sold	29,531,087	25,765,835
Gross profit	43,182,661	29,418,106
Operating and administrative expenses:
Sales and distribution	6,024,230	4,966,062
General and administrative	4,046,197	3,614,809
Research and development	3,592,555	3,042,815
Total operating expenses	13,662,982	11,623,686
Income from operations	29,519,679	17,794,420
Other income:
Interest income	126,943	74,522
Income before income tax expenses	29,646,622	17,868,942
Income tax expenses	3,727,537	0
Net income	25,919,085	17,868,942
Other comprehensive income:
Cumulative currency translation adjustments	3,851,902	1,401,134
Total comprehensive income	$ 29,770,987	$ 19,270,076
Earnings per common stock- Basic (in dollars per share)	$ 0.70	$ 0.48
Earnings per common stock - Diluted (in dollars per share)	$ 0.69	$ 0.47
Weighted average common stock outstanding
Basic (in shares)	37,239,536	37,239,536
Diluted (in shares)	37,678,525	37,778,028