Income Taxes (Details) - USD ($)	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015
Provision For Income Taxes Continuing And Discontinuing Operations	$ 2,433,000	$ 2,254,000
Current Income Taxes [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	2,616,000	1,888,000
Current Income Taxes [Member] | Domestic Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	2,226,000	1,568,000
Current Income Taxes [Member] | State and Local Jurisdiction [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	362,000	325,000
Current Income Taxes [Member] | Foreign Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	28,000	(5,000)
Deferred Income Taxes [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	(183,000)	366,000
Deferred Income Taxes [Member] | Domestic Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	(273,000)	560,000
Deferred Income Taxes [Member] | State and Local Jurisdiction [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	90,000	(194,000)
Deferred Income Taxes [Member] | Foreign Tax Authority [Member]
Provision For Income Taxes Continuing And Discontinuing Operations	$ 0	$ 0