8. SEGMENT AND GEOGRAPHIC REPORTING (Details - geographic) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Net revenues	$ 7,356,715	$ 5,705,590	$ 14,425,496	$ 11,123,525
North America [Member]
Net revenues	4,248,000	3,418,000	8,845,000	7,114,000
Europe [Member]
Net revenues	1,835,000	1,337,000	2,878,000	2,058,000
Asia [Member]
Net revenues	1,262,000	950,000	2,687,000	1,951,000
South America [Member]
Net revenues	12,000	1,000	15,000	1,000
Lancaster [Member]
Net revenues	4,552,000	4,042,000	8,593,000	7,738,000
Lancaster [Member] | North America [Member]
Net revenues	1,717,000	1,755,000	3,532,000	3,728,000
Lancaster [Member] | Europe [Member]
Net revenues	1,744,000	1,337,000	2,833,000	2,058,000
Lancaster [Member] | Asia [Member]
Net revenues	1,079,000	950,000	2,213,000	1,951,000
Lancaster [Member] | South America [Member]
Net revenues	12,000	1,000	15,000	1,000
Buffalo [Member]
Net revenues	1,867,000	1,663,000	3,780,000	3,386,000
Buffalo [Member] | North America [Member]
Net revenues	1,867,000	1,663,000	3,780,000	3,386,000
Buffalo [Member] | Europe [Member]
Net revenues	0	0	0	0
Buffalo [Member] | Asia [Member]
Net revenues	0	0	0	0
Buffalo [Member] | South America [Member]
Net revenues	0	$ 0	0	$ 0
North Carolina[Member]
Net revenues	938,000		2,052,000
North Carolina[Member] | North America [Member]
Net revenues	664,000		1,533,000
North Carolina[Member] | Europe [Member]
Net revenues	91,000		45,000
North Carolina[Member] | Asia [Member]
Net revenues	183,000		474,000
North Carolina[Member] | South America [Member]
Net revenues	$ 0		$ 0