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Consolidated Statement of Equity (Parenthetical) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Statement of Stockholders' Equity [Abstract] |  |
Reverse stock split | 1-for-4 reverse stock split | 1-for-4 reverse stock split

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- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770 + Details
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