Condensed Consolidated Statements of Operations (unaudited) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018
Income Statement [Abstract]
Revenues	$ 9,936,921	$ 8,553,068	$ 25,944,545	$ 22,978,565
Cost of revenues	2,324,188	2,022,972	6,734,890	5,874,062
Gross margin	7,612,733	6,530,096	19,209,655	17,104,503
Operating expenses
Selling, general, and administrative	3,087,445	2,604,168	8,613,788	7,352,404
Research and development	643,255	508,356	1,896,926	1,353,503
Total operating expenses	3,730,700	3,112,524	10,510,714	8,705,907
Income from operations	3,882,033	3,417,572	8,698,941	8,398,596
Other income (expense)
Interest income	11,050	7,825	20,296	18,313
Interest expense	(32,702)	(38,188)	(109,078)	(114,846)
(Loss) Income on currency exchange	(7,941)	9,441	(40,467)	(3,820)
Total other income (expense)	(29,593)	(20,922)	(129,249)	(100,353)
Income before provision for income taxes	3,852,440	3,396,650	8,569,692	8,298,243
Provision for income taxes	(963,734)	(990,613)	(2,045,590)	(701,415)
Net Income	$ 2,888,706	$ 2,406,037	$ 6,524,102	$ 7,596,828
Earnings per share
Basic	$ 0.16	$ 0.14	$ 0.37	$ 0.44
Diluted	$ 0.16	$ 0.13	$ 0.36	$ 0.43
Weighted-average common shares outstanding
Basic	17,519,849	17,339,937	17,472,922	17,308,414
Diluted	18,096,195	17,904,428	18,008,336	17,850,171