Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019
Income Taxes [Abstract]
Income tax benefit	$ (2,019)	$ (410)	$ (2,235)	$ (310)
Pre-tax loss	$ (922)	$ (3,927)	$ (1,682)	$ (5,184)
Effective tax rate			133.00%
Income tax benefit from exercise of stock options			$ 1,800

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement.

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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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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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