Condensed Consolidated Statements of Operations (unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018
Income Statement [Abstract]
Revenues	$ 8,471,720	$ 7,356,714	$ 16,007,623	$ 14,425,496
Cost of revenues	2,207,831	2,115,483	4,406,952	3,851,090
Gross margin	6,263,889	5,241,231	11,600,671	10,574,406
Operating expenses
Selling, general, and administrative	2,809,691	2,339,721	5,530,093	4,748,237
Research and development	724,034	484,329	1,253,670	845,146
Total operating expenses	3,533,725	2,824,050	6,783,763	5,593,383
Income from operations	2,730,164	2,417,181	4,816,908	4,981,023
Other income (expense)
Interest income	5,573	6,180	9,245	10,489
Interest expense	(38,188)	(38,188)	(76,376)	(76,658)
Loss on currency exchange	(1,916)	(585)	(32,526)	(13,262)
Total other income (expense)	(34,531)	(32,593)	(99,657)	(79,431)
Income before provision for income taxes	2,695,633	2,384,588	4,717,251	4,901,592
Provision for income taxes	(596,184)	1,090,198	(1,081,855)	289,198
Net Income	$ 2,099,449	$ 3,474,786	$ 3,635,396	$ 5,190,790
Earnings per share
Basic	$ 0.12	$ 0.20	$ 0.21	$ 0.30
Diluted	$ 0.12	$ 0.19	$ 0.20	$ 0.29
Weighted-average common shares outstanding
Basic	17,476,603	17,302,763	17,449,069	17,292,391
Diluted	18,002,741	17,855,351	17,984,078	17,843,345