Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Name:	us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018	Aug. 31, 2019	Aug. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Federal statutory income tax rate						25.70%	35.00%
Income tax benefit	$ (410)	$ (3,025)	$ (310)	$ (4,373)
Pre-tax loss	$ (3,927)	$ (5,765)	$ (5,184)	$ (9,505)
Negative effective tax benefit rate affected by GILTI			6.00%
GILTI tax expense			$ 300
Scenario, Forecast [Member]
Income Taxes [Line Items]
Federal statutory income tax rate					21.00%