Percentage of net operation loss carry forwards utilization limit against taxable income.

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- Definition

Schedule of income taxes.

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No definition available.

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- Definition

Tax cuts and jobs act of 2017 deduction in tax rate of repatriation foreign earnings.

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No definition available.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

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

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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- Definition

Tax year being audited in the income tax examination, in CCYY format.

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No definition available.

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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 operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income.

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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Schedule Of Income Taxes [Line Items]
Income (loss) of foreign subsidiaries before taxes	$ 99,000	$ 133,000
Deferred tax valuation allowance against assets	896,000		$ 896,000
Income tax expense (benefit)	23,000	$ 0	$ 71,000	$ (65,000)
Corporate tax rate			21.00%		34.00%
Deduction for U.S. federal tax			100.00%
U.S. federal
Schedule Of Income Taxes [Line Items]
Net operating loss carry forwards, amount	$ 1,600,000		$ 1,600,000
Operating loss carryovers, limitations on use	At September 30, 2018, the Company had $1.6 million of U.S. federal net operating loss (“NOL”) carry forwards. These losses do not expire but are limited to utilization of 80% of taxable income in any one year.
Percentage of NOLs utilization limit against taxable income	80.00%
U.S. federal \| Earliest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years			2014
U.S. federal \| Latest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years			2017
States
Schedule Of Income Taxes [Line Items]
Net operating loss carry forwards, amount	$ 8,600,000		$ 8,600,000
States \| Earliest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years			2013
States \| Latest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years			2017