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Percentage for subsidiary service tax.

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Represents reversal of service tax refund amount.

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Represents the service tax credit receivable.

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Represents the value of subsidiary revenue.

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The amount the liability recorded for the income tax examination increased or decreased in the current year/accounting period.

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

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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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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings.

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Amount of unrecognized tax benefits.

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Income Taxes (Details Textual) - USD ($)	1 Months Ended		3 Months Ended
Income Taxes (Details Textual) - USD ($)	Oct. 31, 2016	Sep. 30, 2015	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount			$ 25,800,000
Unrecognized Tax Benefits			2,610,000		$ 2,424,000
Income Tax Examination, Penalties and Interest Accrued			100,000
Subsidiary Revenue		$ 67,000,000
Reversal of Service Tax Refund	$ 160,000
Service Tax Credit Receivable	$ 1,000,000
Income Tax Expense (Benefit)			(28,000)	$ 582,000
Income Tax Examination, Increase (Decrease) in Liability from Prior Year			$ 100,000
Maximum [Member]
Income Taxes [Line Items]
Percentage for Subsidiary Service Tax		15.00%
Minimum [Member]
Income Taxes [Line Items]
Percentage for Subsidiary Service Tax		12.36%