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Restricted Net Assets - Additional Information (Details) - PRC - USD ($) | Dec. 31, 2017 | Dec. 31, 2016
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Restricted Net Assets [Line Items] |  |
Minimum required percentage of statutory reserves | 10.00% |
Percentage of statutory reserves to respective registered capital | 50.00% |
Statutory reserves | $ 0 | $ 0
Restricted amount by subsidiaries | $ 80,951,618 | $ 39,215,714

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- Definition Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Minimum required percentage of statutory reserves. + References No definition available. + Details
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- Definition Percentage of statutory reserves to respective registered capital. + References No definition available. + Details
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- Definition Restricted net assets. + References No definition available. + Details
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- Definition Statutory reserves. + References No definition available. + Details
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- Details
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