Income Taxes (Summary of Operating Loss Carryforwards) (Details) $ in Thousands	12 Months Ended
	Aug. 31, 2020 USD ($)
Operating Loss Carryforwards [Line Items]
Amount	$ 33,812
Loss Deductions in Prior Years	(7,646)
Loss Deductions in Current Year	(2,212)
Operating Loss Carried Forward	$ 23,954
December 31, 2014 [Member]
Operating Loss Carryforwards [Line Items]
Loss Expires	Aug. 31, 2033
Amount	$ 1,285
Loss Deductions in Prior Years	(1,019)
Loss Deductions in Current Year	$ (266)
December 31, 2015 [Member]
Operating Loss Carryforwards [Line Items]
Loss Expires	Aug. 31, 2034
Amount	$ 1,491
Loss Deductions in Prior Years
Loss Deductions in Current Year	(580)
Operating Loss Carried Forward	$ 911
December 31, 2016 [Member]
Operating Loss Carryforwards [Line Items]
Loss Expires	Aug. 31, 2035
Amount	$ 3,052
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 3,052
July 15, 2017 Acquired NOL [Member]
Operating Loss Carryforwards [Line Items]
Loss Expires	Aug. 31, 2036
Amount	$ 1,117
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	1,117
December 31, 2012 To July 15, 2017 Acquired NOL [Member]
Operating Loss Carryforwards [Line Items]
Amount	6,945
Loss Deductions in Prior Years	(1,019)
Loss Deductions in Current Year	(846)
Operating Loss Carried Forward	$ 5,080
August 31, 2017 [Member]
Operating Loss Carryforwards [Line Items]
Loss Expires	Aug. 31, 2037
Amount	$ 16,361
Loss Deductions in Prior Years	(6,627)
Loss Deductions in Current Year	(1,366)
Operating Loss Carried Forward	$ 8,368
August 31, 2018 [Member]
Operating Loss Carryforwards [Line Items]
Loss Expires	2038
Amount	$ 10,506
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 10,506