Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 758,536	$ 935,421
Adjustments to reconcile net income to net cash used in operating activities:
Expensing of fair value of stock options vested	43,393	72,523
Depreciation expense	105,688	80,887
Amortization expense	17,445	38,713
Equity in income from joint ventures	(1,154,296)	(1,357,680)
Receivables:
Trade, excluding joint ventures	(205,361)	(410,029)
Trade, joint ventures	(207,957)	144,157
Fees for services receivables, joint ventures	330,564	(38,883)
Income taxes	(196,635)	(1,396)
Inventories	(865,175)	(158,234)
Prepaid expenses and other	(151,029)	(349,112)
Accounts payable	24,296	(489,032)
Income tax payable	4,191	(17,512)
Accrued liabilities	22,201	(235,365)
Net cash used in operating activities	(1,474,140)	(1,785,543)
CASH FLOWS FROM INVESTING ACTIVITIES:
Dividends received from joint ventures	2,676,337	2,031,450
Additions to property and equipment	(67,165)	(51,031)
Effect of Asean consolidation on cash (Note 2)	1,612,768
Additions to patents	(68,665)	(44,702)
Net cash provided by investing activities	4,153,275	1,935,717
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of note payable	(19,030)	(19,029)
Dividend received by non controlling interest	(72,842)
Proceeds from employee stock purchase plan	28,938	22,414
Proceeds from exercise of stock options	102,815
Net cash provided by financing activities	39,881	3,385
EFFECT OF EXCHANGE RATE CHANGES ON CASH:	(37,527)	(12,550)
NET INCREASE IN CASH AND CASH EQUIVALENTS	2,681,489	141,009
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	4,137,547	3,266,362
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 6,819,036	$ 3,407,371