Foreign withholding taxes.

No definition available.

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- Definition

Income taxes.

+ References

No definition available.

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- Definition

Tax cuts and jobs act of 2017 change in tax deferred tax assets.

+ References

No definition available.

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- Definition

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

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- Definition

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

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The amount of cash received during the period as refunds for the overpayment of taxes.

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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
United States statutory tax rate	21.00%				35.00%
Decrease in deferred tax asset due to Tax Act				$ 8,100
Income tax expense (benefit)	$ 550	$ (676)	$ 557	$ (670)
Proceeds from income tax refunds		$ 700
Nigeria
Income Taxes [Line Items]
Foreign withholding taxes	$ 600