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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Income Tax [Line Items] |  |
Valuation allowance | $ 12,452,000 | $ 12,202,000
Federal corporate income tax rate | 26.80% |
Income tax expense | $ 219,082 |
Federal income tax net operating loss carry forward | $ 17,200,000 | $ 18,900,000
Net operating loss carry forwards expiration beginning year | 2031 |
Net operating loss carry forwards expiration ending year | 2037 |
State [Member] |  |
Income Tax [Line Items] |  |
Operating loss carryforwards | $ 0 |

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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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