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Net Income (Loss) Per Share - Additional Information (Detail) - $ / shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 11, 2019
Net Income Per Share [Line Items] |  |  |
Anti-dilutive securities excluded from computation of earnings per share minimum price range | $ 8.54 | $ 4.42 |
Anti-dilutive securities excluded from computation of earnings per share maximum price range one | $ 25.16 | $ 25.16 |
Class of warrant or right, exercise price of warrants or rights (in dollars per share) |  |  | $ 12
Preferred Stock, Conversion Limit, Percent | 25.00% |  |
Preferred Stock, Period of Volume Weighted Average Price Per Common Share | 30 days |  |
Preferred Stock, Conversion Percentage of Volume Weighted Average Market Price Per Share, Percent | 90.00% |  |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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