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Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018
January 2019 Public Offering |  |
Stock offering transaction cost | $ 739 |
May 2019 Public Offering |  |
Stock offering transaction cost | $ 1,683 |
2018 Public Offering |  |
Stock offering transaction cost |  | $ 2,096
Over-Allotment Option |  |
Overallotment related to transaction cost |  | $ 10

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- Definition Allocated Stock Offering Transaction Cost + References No definition available. + Details
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- Definition Stock Offering Transaction Cost + References No definition available. + Details
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- Details
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