Income Taxes (Details) - USD ($)	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Current:
Federal	$ 2,911,000	$ 2,249,000
State	803,000	660,000
Foreign	271,000	(35,000)
Total current income tax expense	3,985,000	2,874,000
Deferred:
Federal	(378,000)	401,000
State	(89,000)	(82,000)
Foreign	22,000	(22,000)
Total deferred income tax expense	(445,000)	297,000
Total	$ 3,540,000	$ 3,171,000