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Commitments and Contingencies - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Commitments And Contingencies Disclosure [Abstract] |  |
Liabilities incurred to defend lawsuits | $ 0 | $ 0
Plan contribution expense | $ 182,702 | $ 150,791

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
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