Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - TripCo Grants (Details)

v3.20.4
Stock-Based Compensation - TripCo Grants (Details)
12 Months Ended
Jul. 15, 2020
May 27, 2020
Dec. 31, 2020
item
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Dec. 31, 2018
$ / shares
shares
CEO          
Stock-Based Compensation          
Upfront Grants Related To New Employment Agreement | item     2    
Restricted Stock Units (RSUs)          
Stock-Based Compensation          
Vesting period 2 years 4 years      
2019 Plan          
Stock-Based Compensation          
Maximum number of shares     5,000,000.0    
Fair value assumptions          
Volatility rate, minimum (as a percent)     49.50% 49.50% 49.50%
Volatility rate, maximum (as a percent)     82.10% 82.10% 82.10%
Dividend rate     0.00% 0.00% 0.00%
2019 Plan | Minimum          
Stock-Based Compensation          
Vesting period     1 year    
Term of awards     7 years    
Fair value assumptions          
Expected term     4 years 9 months 18 days 4 years 9 months 18 days 4 years 9 months 18 days
2019 Plan | Maximum          
Stock-Based Compensation          
Vesting period     5 years    
Term of awards     10 years    
Fair value assumptions          
Expected term     6 years 3 months 18 days 6 years 3 months 18 days 6 years 3 months 18 days
2019 Plan | Series A | Stock Options          
Stock-Based Compensation          
Granted     647,000    
Cancelled or expired     (278,000)    
2019 Plan | Series A | Stock Options | Employee          
Stock-Based Compensation          
Granted     499,000 73,000  
Weighted average grant date fair value, options (in dollars per share) | $ / shares     $ 2.58 $ 3.53  
2019 Plan | Series A | Stock Options | Employee | Minimum          
Stock-Based Compensation          
Vesting period     2 years    
2019 Plan | Series A | Stock Options | Employee | Maximum          
Stock-Based Compensation          
Vesting period     5 years    
2019 Plan | Series A | Stock Options | Nonemployee          
Stock-Based Compensation          
Vesting period     1 year    
Granted     148,000 79,000 59,000
Weighted average grant date fair value, options (in dollars per share) | $ / shares     $ 2.76 $ 3.42 $ 8.83
2019 Plan | Series B | Stock Options          
Stock-Based Compensation          
Granted     573,000    
2019 Plan | Series B | Stock Options | Nonemployee          
Stock-Based Compensation          
Cancelled or expired     0    
Exercised     0    
2019 Plan | Series B | Stock Options | CEO          
Stock-Based Compensation          
Granted     573,000 27,000  
Weighted average grant date fair value, options (in dollars per share) | $ / shares     $ 2.41 $ 6.41  
2019 Plan | Series B | Performance Based RSU's | CEO          
Stock-Based Compensation          
Vesting period     1 year    
RSUs granted     242,000 35,000  
Weighted average grant date fair value, RSUs and MSUs granted (in dollars per share) | $ / shares     $ 3.08 $ 14.17  
2019 Plan | Series B | Time Based RSU's | Tranche One | CEO          
Stock-Based Compensation          
RSUs granted     30,000    
Percentage of base salary     50.00%    
Number of quarters | item     3    
Percentage of base salary to be waived     50.00%    
Weighted average grant date fair value, RSUs and MSUs granted (in dollars per share) | $ / shares     $ 4.76    
2019 Plan | Series B | Time Based RSU's | Tranche Two | CEO          
Stock-Based Compensation          
RSUs granted     1,000,000 320,000