Income Taxes (Details) - USD ($)	12 Months Ended
	Aug. 31, 2018	Aug. 31, 2017
Provision For Income Taxes Continuing And Discontinuing Operations	$ 3,171,000	$ 2,291,000
Current Income Taxes [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	2,874,000	2,229,000
Current Income Taxes [Member] | Domestic Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	2,249,000	2,142,000
Current Income Taxes [Member] | State and Local Jurisdiction [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	660,000	119,000
Current Income Taxes [Member] | Foreign Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	(35,000)	(32,000)
Deferred Income Taxes [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	297,000	62,000
Deferred Income Taxes [Member] | Domestic Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	401,000	(88,000)
Deferred Income Taxes [Member] | State and Local Jurisdiction [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	(82,000)	32,000
Deferred Income Taxes [Member] | Foreign Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	$ (22,000)	$ 118,000