UNAUDTED QUARTERLY FINANCIAL DATA (Details) - USD ($)	3 Months Ended								12 Months Ended
	Aug. 31, 2020	May 31, 2020	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 9,540,000	$ 12,298,000	$ 10,350,000	$ 9,401,000	$ 8,026,000	$ 9,937,000	$ 8,472,000	$ 7,536,000	$ 41,589,084	$ 33,970,440	$ 29,666,524
Gross Profit	6,865,000	9,633,000	7,683,000	6,758,000	5,735,000	7,613,000	6,264,000	5,336,000	30,939,854	24,944,736	21,672,296
Net Income	$ 2,188,000	$ 2,936,000	$ 2,150,000	$ 2,058,000	$ 2,059,000	$ 2,889,000	$ 2,099,000	$ 1,536,000	$ 9,332,060	$ 8,583,329	$ 8,934,812
Earnings per share, Basic	$ 0.12	$ 0.17	$ 0.12	$ 0.12	$ 0.12	$ 0.16	$ 0.12	$ 0.09	$ 0.52	$ 0.49	$ 0.52
Earnings per share, Diluted	$ 0.11	$ 0.16	$ 0.12	$ 0.11	$ 0.11	$ 0.16	$ 0.12	$ 0.09	$ 0.50	$ 0.48	$ 0.50