CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended	6 Months Ended
Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Income Statement [Abstract]
Net sales	$ 4,574,191us-gaap_SalesRevenueNet	$ 3,081,492us-gaap_SalesRevenueNet	$ 8,660,382us-gaap_SalesRevenueNet	$ 5,722,492us-gaap_SalesRevenueNet
Cost of sales	1,125,660us-gaap_CostOfGoodsAndServicesSold	492,199us-gaap_CostOfGoodsAndServicesSold	2,123,394us-gaap_CostOfGoodsAndServicesSold	940,619us-gaap_CostOfGoodsAndServicesSold
Gross profit	3,448,531us-gaap_GrossProfit	2,589,293us-gaap_GrossProfit	6,536,988us-gaap_GrossProfit	4,781,873us-gaap_GrossProfit
Operating expenses
Selling, general, and administrative	1,612,742	1,103,547	3,679,182	2,174,638
Research and development	360,708us-gaap_ResearchAndDevelopmentExpense	354,007us-gaap_ResearchAndDevelopmentExpense	633,348us-gaap_ResearchAndDevelopmentExpense	516,123us-gaap_ResearchAndDevelopmentExpense
Total operating expenses	1,973,450us-gaap_OperatingExpenses	1,457,554us-gaap_OperatingExpenses	4,312,530us-gaap_OperatingExpenses	2,690,761us-gaap_OperatingExpenses
Income from operations	1,475,081us-gaap_OperatingIncomeLoss	1,131,739us-gaap_OperatingIncomeLoss	2,224,458us-gaap_OperatingIncomeLoss	2,091,112us-gaap_OperatingIncomeLoss
Other income (expense)
Interest income	4,412us-gaap_InterestIncomeOperating	7,957us-gaap_InterestIncomeOperating	9,004us-gaap_InterestIncomeOperating	16,983us-gaap_InterestIncomeOperating
Gain (loss) on currency exchange	(34,684)	4,428	(42,475)	28,137
Total other income (expense)	(30,272)us-gaap_OtherIncome	12,385us-gaap_OtherIncome	(33,471)us-gaap_OtherIncome	45,120us-gaap_OtherIncome
Income from continuing operations before provision for income taxes	1,444,809	1,144,124	2,190,987	2,136,232
Provision for income taxes	(474,576)us-gaap_IncomeTaxExpenseBenefit	(334,260)us-gaap_IncomeTaxExpenseBenefit	(691,851)us-gaap_IncomeTaxExpenseBenefit	(641,213)us-gaap_IncomeTaxExpenseBenefit
Net Income	$ 970,233us-gaap_NetIncomeLoss	$ 809,864us-gaap_NetIncomeLoss	$ 1,499,136us-gaap_NetIncomeLoss	$ 1,495,019us-gaap_NetIncomeLoss
Earnings per share
Basic	$ 0.06us-gaap_EarningsPerShareBasic	$ 0.05us-gaap_EarningsPerShareBasic	$ 0.09us-gaap_EarningsPerShareBasic	$ 0.09us-gaap_EarningsPerShareBasic
Diluted	$ 0.06us-gaap_EarningsPerShareDiluted	$ 0.05us-gaap_EarningsPerShareDiluted	$ 0.09us-gaap_EarningsPerShareDiluted	$ 0.09us-gaap_EarningsPerShareDiluted
Weighted-average common shares outstanding
Basic	16,848,983	16,107,327	16,839,599	16,078,173
Diluted	17,105,412	16,356,544	17,096,357	16,319,902

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