Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Cash flows from operating activities:
Net income	$ 23,412,891	$ 20,549,196
Adjustments to reconcile net income to operating activities:
Depreciation	367,173	286,379
Amortization	541,380	368,782
Share compensation	71,493	96,981
Noncash rental expenses	760,652	572,065
Warrants liability reevaluation	(22,357)	(305,797)
Deferred tax assets	0	(135,409)
Changes in assets and liabilities:
Decrease in trade receivables, net	4,581,688	6,891,867
(Increase) in due from related parties	0	(98,049)
(Increase) in inventory, net	(7,815,061)	(3,815,951)
Decrease (Increase) in other receivables, net	6,687,086	(115,187)
(Decrease) in accounts payable	(329,248)	(159,845)
(Decrease) Increase in tax payable	(3,659,443)	1,898,697
Increase in accrued employee benefits	561,130	391,128
Net cash provided by operating activities	25,157,384	26,424,857
Cash flows from investing activities:
Deposits for land use right, property and patents	(908,396)	(15,255,064)
Refunds from patents deposit	2,525,651	0
Increase in construction-in-progress	0	(1,884,000)
Purchase of property and equipment	(908,396)	(5,862)
Net cash provided by (used in) investing activities	708,859	(17,144,926)
Effect of exchange rate changes on cash	158,351	1,215,171
Net increase in cash	26,024,594	10,495,102
Cash, beginning of year	15,283,583	27,826,142
Cash, end of year	41,308,177	38,321,244
Supplemental disclosure of cash flow information:
Noncash investing activities in office building	1,917,149	0
Cash paid during the year for income taxes	8,595,354	0
Interest paid during the year	$ 0	$ 0