Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
Feb. 28, 2015	Feb. 28, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,405,631us-gaap_ProfitLoss	$ 2,688,487us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash used in operating activities:
Stock-based compensation	261,159us-gaap_ShareBasedCompensation	236,623us-gaap_ShareBasedCompensation
Depreciation expense	245,432us-gaap_Depreciation	217,620us-gaap_Depreciation
Amortization expense	43,833us-gaap_AdjustmentForAmortization	42,819us-gaap_AdjustmentForAmortization
Loss on disposal of assets	13,847us-gaap_GainLossOnDispositionOfAssets	2,178us-gaap_GainLossOnDispositionOfAssets
Equity in income from joint ventures	(3,081,332)	(2,823,199)
Dividends received from joint ventures	2,696,963us-gaap_ProceedsFromDividendsReceived	5,217,878us-gaap_ProceedsFromDividendsReceived
Increase in allowance for doubtful accounts		20,000us-gaap_ProvisionForDoubtfulAccounts
Receivables:
Trade, excluding joint ventures	(166,033)	64,392
Trade, joint ventures	166,554	322,902
Fees for services provided to joint ventures	1,128,841	(370,026)
Income taxes	(300,735)	(209,797)
Inventories	(102,370)us-gaap_IncreaseDecreaseInInventories	(246,686)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other	(127,367)	(500,213)
Accounts payable	(558,041)	(578,103)
Income tax payable	14,644	(835)
Accrued liabilities	(1,248,986)	(330,206)
Net cash provided by operating activities	392,041	3,753,836
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of investment in joint ventures		245,594
Proceeds from the sale of available for sale securities	1,994,781
Additions to property and equipment	(897,582)	(325,051)
Additions to patents	(106,707)	(121,351)
Net cash provided by (used in) investing activities	990,492	(200,808)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of note payable		(933,414)us-gaap_RepaymentsOfNotesPayable
Investment by non-controlling interest		30,866
Dividend received by non-controlling interest	(560,000)
Proceeds from employee stock purchase plan	22,620us-gaap_ProceedsFromStockPlans	21,255us-gaap_ProceedsFromStockPlans
Proceeds from exercise of stock options	99,450	7,650
Net cash used in financing activities	(437,930)	(873,643)
EFFECT OF EXCHANGE RATE CHANGES ON CASH:	(56,231)	2,484
NET INCREASE IN CASH AND CASH EQUIVALENTS	888,372	2,681,869
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	2,477,017	4,314,258
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 3,365,389	$ 6,996,127

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-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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