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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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

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Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Feb. 28, 2018	Nov. 30, 2017	Feb. 28, 2019	Nov. 30, 2018
Cash and Cash Equivalents
Cash equivalents					$ 6,814	$ 4,980
Recent Adopted Accounting Pronouncements
Corporate statutory income tax rate			21.00%	35.00%
ASU 2016-09
Deferred Tax Assets
Deferred tax asset					$ 879
ASU 2018-02
Recent Adopted Accounting Pronouncements
Corporate statutory income tax rate	21.00%	35.00%
Reclassification resulted in a decrease to AOCI and an increase to retained earnings						$ 36