8. SEGMENT AND GEOGRAPHIC REPORTING (Details - geographic) - USD ($)	3 Months Ended
	Nov. 30, 2017	Nov. 30, 2016
Revenues	$ 7,068,782	$ 5,417,933
North America [Member]
Revenues	4,540,000	3,696,000
Europe [Member]
Revenues	1,101,000	721,000
Asia [Member]
Revenues	1,424,000	1,001,000
South America [Member]
Revenues	4,000	1,000
Lancaster [Member]
Revenues	4,042,000	3,695,000
Lancaster [Member] | North America [Member]
Revenues	1,816,000	1,973,000
Lancaster [Member] | Europe [Member]
Revenues	1,089,000	721,000
Lancaster [Member] | Asia [Member]
Revenues	1,133,000	1,001,000
Lancaster [Member] | South America [Member]
Revenues	4,000	1,000
Buffalo [Member]
Revenues	1,913,000	1,723,000
Buffalo [Member] | North America [Member]
Revenues	1,913,000	1,723,000
Buffalo [Member] | Europe [Member]
Revenues	0	0
Buffalo [Member] | Asia [Member]
Revenues	0	0
Buffalo [Member] | South America [Member]
Revenues	0	$ 0
North Carolina[Member]
Revenues	1,114,000
North Carolina[Member] | North America [Member]
Revenues	811,000
North Carolina[Member] | Europe [Member]
Revenues	12,000
North Carolina[Member] | Asia [Member]
Revenues	291,000
North Carolina[Member] | South America [Member]
Revenues	$ 0