UNAUDTED QUARTERLY FINANCIAL DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 31, 2021	May 31, 2021	Feb. 28, 2021	Nov. 30, 2020	Aug. 31, 2020	May 31, 2020	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 9,841	$ 12,777	$ 13,147	$ 10,701	$ 9,540	$ 12,298	$ 10,350	$ 9,401	$ 46,466	$ 41,589	$ 33,970
Gross Profit	7,056	10,306	10,236	8,268	6,865	9,633	7,683	6,759	35,866	30,940	24,944
Net Income	$ 305	$ 3,787	$ 3,211	$ 2,479	$ 2,188	$ 2,936	$ 2,150	$ 2,058	$ 9,782	$ 9,332	$ 8,583
Earnings per share, Basic	$ 0.02	$ 0.19	$ 0.16	$ 0.12	$ 0.12	$ 0.17	$ 0.12	$ 0.12	$ 0.49	$ 0.52	$ 0.49
Earnings per share, Diluted	$ 0.01	$ 0.18	$ 0.15	$ 0.12	$ 0.11	$ 0.16	$ 0.12	$ 0.11	$ 0.47	$ 0.50	$ 0.48