CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Income Statement [Abstract]
Net revenues	$ 5,705,590	$ 5,163,726	$ 11,123,525	$ 10,002,346
Cost of revenues	1,553,952	1,263,741	2,889,935	2,347,088
Gross margin	4,151,638	3,899,985	8,233,590	7,655,258
Operating expenses
Selling, general, and administrative	1,948,136	1,722,844	3,811,692	3,399,278
Research and development	408,536	461,389	698,836	812,696
Total operating expenses	2,356,672	2,184,233	4,510,528	4,211,974
Income from operations	1,794,966	1,715,752	3,723,062	3,443,284
Other income (expense)
Interest income	4,429	4,486	8,886	8,953
Gain (loss) on currency exchange	(14,441)	(28,330)	20,486	(43,224)
Total other income (expense)	(10,012)	(23,844)	29,372	(34,271)
Income before provision for income taxes	1,784,954	1,691,908	3,752,434	3,409,013
Provision for income taxes	(589,194)	(546,559)	(1,195,109)	(1,157,191)
Net Income	$ 1,195,760	$ 1,145,349	$ 2,557,325	$ 2,251,822
Earnings per share
Basic	$ .07	$ .07	$ .15	$ .13
Diluted	$ .07	$ .07	$ .15	$ .13
Weighted-average common shares outstanding
Basic	17,233,017	17,005,649	17,229,586	16,985,869
Diluted	17,438,508	17,268,144	17,421,457	17,230,099