Need For Valuation Allowance Based On History Of Cumulative Losses

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- Definition

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

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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Income Taxes (Details) - USD ($)	3 Months Ended			6 Months Ended
Income Taxes (Details) - USD ($)	Sep. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Examination [Line Items]
Income tax expense		$ 192,000	$ 230,000	$ 326,000	$ 147,000
Effective income tax rate (as a percent)				25.00%	21.00%
Excess tax benefit from the exercise of stock options				$ 9,000	$ 33,000
Need for valuation allowance based on history of cumulative losses				3 years
Inland Revenue, Singapore (IRAS) \| Forecast [Member]
Income Tax Examination [Line Items]
Income tax expense	$ 200,000