3. REVENUE RECOGNITION (Details - Income Stmt) - USD ($)	3 Months Ended							9 Months Ended
	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	May 31, 2019	May 31, 2018
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 profit	7,612,733				6,530,096			19,209,655	17,104,503
Income from operations	3,882,033				3,417,572			8,698,941	8,398,596
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	$ 2,099,449	$ 1,535,947	$ 1,337,982	$ 2,406,037	$ 3,474,787	$ 1,716,006	$ 6,524,102	$ 7,596,828
Earnings per share-Diluted	$ 0.16				$ 0.13			$ 0.36	$ 0.43
Weighted-average common shares outstanding, Diluted	18,096,195				17,904,428			18,008,336	17,850,171
Balances without the adoption of ASC Topic 606 [Member]
Revenues	$ 9,932,576							$ 25,937,313
Cost of revenues	2,277,531							6,561,464
Gross profit	7,655,045							19,375,849
Income from operations	3,924,345							8,865,135
Income before provision for income taxes	3,894,752							8,735,886
Provision for income taxes	(974,312)							(2,101,773)
Net Income	$ 2,920,440							$ 6,634,113
Earnings per share-Diluted	$ 0.16							$ 0.37
Weighted-average common shares outstanding, Diluted	18,096,195							18,008,336
Effect of Change [Member]
Revenues	$ 4,345							$ 7,232
Cost of revenues	46,657							173,426
Gross profit	(42,312)							(166,194)
Income from operations	(42,312)							(166,194)
Income before provision for income taxes	(42,312)							(166,194)
Provision for income taxes	(10,578)							(56,183)
Net Income	$ (31,734)							$ (110,011)
Earnings per share-Diluted
Weighted-average common shares outstanding, Diluted