Income Taxes (Summary of Operating Loss Carryforwards) (Details) $ in Thousands	12 Months Ended
	Aug. 31, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Amount	$ 33,799
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 33,799
December 31, 2012 [Member]
Operating Loss Carryforwards [Line Items]
Loss Carryforward Expires	Aug. 31, 2031
Amount	$ 243
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 243
December 31, 2013 [Member]
Operating Loss Carryforwards [Line Items]
Loss Carryforward Expires	Aug. 31, 2032
Amount	$ 553
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 553
December 31, 2014 [Member]
Operating Loss Carryforwards [Line Items]
Loss Carryforward Expires	Aug. 31, 2033
Amount	$ 1,285
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 1,285
December 31, 2015 [Member]
Operating Loss Carryforwards [Line Items]
Loss Carryforward Expires	Aug. 31, 2034
Amount	$ 1,491
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 1,491
December 31, 2016 [Member]
Operating Loss Carryforwards [Line Items]
Loss Carryforward 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 Carryforward 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	7,741
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 7,741
August 31, 2017 [Member]
Operating Loss Carryforwards [Line Items]
Loss Carryforward Expires	Aug. 31, 2037
Amount	$ 16,381
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 16,381
August 31, 2018 [Member]
Operating Loss Carryforwards [Line Items]
Loss Carryforward Expires	No expiration
Amount	$ 9,677
Loss Deductions in Prior Years
Loss Deductions in Current Year
Operating Loss Carried Forward	$ 9,677