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Stock-Based Compensation - Stock Options (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Stock Options, Additional Disclosures          
Granted (in shares)     420,000 960,204  
Stock options outstanding 920,355 960,204 920,355 960,204 633,277
Forfeited/Cancelled (in shares)     48,333    
Stock options          
Stock Options, Additional Disclosures          
Granted (in shares) 0 60,000 420,000 960,204  
Stock options outstanding 920,355   920,355   633,277
Weighted average fair value per share of options granted $ 3.91 $ 0.00 $ 5.35 $ 0.50  
Stock options | Maximum          
Stock Options, Additional Disclosures          
Expiration period     10 years