9. SEGMENT AND GEOGRAPHIC REPORTING (Details - geographic) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Revenues	$ 12,298,036	$ 9,936,921	$ 32,049,003	$ 25,944,545
North and South America [Member]
Revenues	8,662,000	6,316,000	22,158,000	16,576,000
North and South America [Member] | Lancaster [Member]
Revenues	3,401,000	2,872,000	8,555,000	7,059,000
North and South America [Member] | Buffalo [Member]
Revenues	3,039,000	2,538,000	8,176,000	6,895,000
North and South America [Member] | North Carolina [Member]
Revenues	1,685,000	906,000	4,890,000	2,622,000
North and South America [Member] | Paris [Member]
Revenues	537,000		537,000
Europe [Member]
Revenues	1,934,000	1,860,000	5,142,000	4,757,000
Europe [Member] | Lancaster [Member]
Revenues	1,719,000	1,497,000	4,476,000	4,207,000
Europe [Member] | Buffalo [Member]
Revenues	0	0	0	0
Europe [Member] | North Carolina [Member]
Revenues	130,000	363,000	581,000	550,000
Europe [Member] | Paris [Member]
Revenues	85,000		85,000
Asia [Member]
Revenues	1,702,000	1,761,000	4,749,000	4,612,000
Asia [Member] | Lancaster [Member]
Revenues	1,608,000	1,656,000	4,528,000	4,132,000
Asia [Member] | Buffalo [Member]
Revenues	0	0	0	0
Asia [Member] | North Carolina [Member]
Revenues	94,000	105,000	221,000	480,000
Asia [Member] | Paris [Member]
Revenues	0		0
Lancaster [Member]
Revenues	6,728,000	6,025,000	17,559,000	15,398,000
Buffalo [Member]
Revenues	3,039,000	2,538,000	8,176,000	6,895,000
North Carolina [Member]
Revenues	1,909,000	1,374,000	5,692,000	3,652,000
Paris [Member]
Revenues	$ 622,000	$ 0	$ 622,000	$ 0