Income Taxes - Additional Information (Detail) |
12 Months Ended |
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Dec. 31, 2018
USD ($)
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| Income Tax Contingency [Line Items] | |
| Federal statutory income tax rate | 21.00% |
| U.S. federal net operating loss carryforwards | $ 15,538,000 |
| State net operating loss carryforwards | $ 17,927,000 |
| U.S. federal and state operating loss carryforwards expire date | 2027 |
| Foreign net operating loss carryforwards | $ 130,000 |
| Foreign operating loss carryforwards expire date | 2020 |
| Percentage of change in ownership | 50.00% |
| Net operating loss carryforwards limitation on use ownership change period | 3 years |
| Federal and state net operating loss carryforwards limitations on use | $ 18,900,000 |
| Cumulative effect on retained earnings | 0 |
| Unrecognized tax benefits | $ 0 |
| Earliest Tax Year [Member] | |
| Income Tax Contingency [Line Items] | |
| Open tax year | 2014 |
| Latest Tax Year [Member] | |
| Income Tax Contingency [Line Items] | |
| Open tax year | 2018 |
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- Definition Federal and state net operating loss carryforwards limitation on use. No definition available.
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- Definition Net operating loss carryforwards limitation on use ownership change period. No definition available.
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- Definition Percentage of change in ownership. No definition available.
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- Definition Year of expiration of deferred tax assets operating loss carryforwards federal and state and local. No definition available.
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- Definition Year of expiration of deferred tax assets operating loss carryforwards foreign. No definition available.
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- Definition Amount of the related income tax effect of a cumulative effect on retained earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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- Details
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