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Stock Options - Additional Information (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2020 USD ($)
Stock Options |
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized | $ 1.5
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 25 months

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