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Stock-Based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Number of Shares Outstanding, Beginning, Unvested shares 31,183 165,699
Number of Shares Outstanding, Vested (31,183) (134,516)
Number of Shares Outstanding, Ending, Unvested shares   31,183
Weighted Average Grant Date Fair Value, Beginning, Unvested $ 4.19 $ 4.19
Weighted Average Grant Date Fair Value, Vested $ 4.19 4.19
Weighted Average Grant Date Fair Value, Ending, Unvested   $ 4.19