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Stock-Based Compensation - Schedule of Non-Vested Stock Options (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Options    
Beginning balance (in shares) 480,086 224,355
Option granted (in shares) 723,951 340,558
Vested (in shares) (132,000) (56,000)
Canceled/forfeited (in shares) (11,255) (28,908)
Ending balance (in shares) 1,061,086 480,086
Weighted Average Grant Date Fair Value    
Beginning balance (in dollars per share) $ 7.21 $ 7.02
Option granted (in dollars per share) 4.28 7.30
Vested (in dollars per share) 7.21 7.02
Canceled/forfeited (in dollars per share) 5.32 7.20
Ending balance (in dollars per share) $ 5.23 $ 7.21