Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - TripCo Grants (Details)

v3.24.0.1
Stock-Based Compensation - TripCo Grants (Details) - 2019 Plan - USD ($)
12 Months Ended
May 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Stock-Based Compensation        
Maximum number of shares   5,000,000.0    
Fair value assumptions        
Volatility rate, minimum (as a percent)       82.10%
Volatility rate, maximum (as a percent)       86.80%
Dividend rate   0.00% 0.00% 0.00%
Minimum        
Stock-Based Compensation        
Vesting period   1 year    
Term of awards   7 years    
Fair value assumptions        
Expected term       4 years 10 months 24 days
Maximum        
Stock-Based Compensation        
Vesting period   5 years    
Term of awards   10 years    
Fair value assumptions        
Expected term       5 years
Employee        
Stock-Based Compensation        
Cash awards   $ 329,236    
CEO        
Stock-Based Compensation        
Cash awards   $ 656,250    
Employee Stock Option [Member]        
Stock-Based Compensation        
Granted   0 0  
Exercised   0 0 0
Series A | Employee Stock Option [Member]        
Stock-Based Compensation        
Cancelled or expired   (67,000)    
Series A | Employee Stock Option [Member] | Employee        
Stock-Based Compensation        
Granted       47,000
Weighted average grant date fair value, options (in dollars per share)       $ 3.25
Series A | Employee Stock Option [Member] | Employee | Minimum        
Stock-Based Compensation        
Vesting period       2 years
Series A | Employee Stock Option [Member] | Employee | Maximum        
Stock-Based Compensation        
Vesting period       3 years
Series A | Employee Stock Option [Member] | Nonemployee        
Stock-Based Compensation        
Vesting period       1 year
Granted       26,000
Weighted average grant date fair value, options (in dollars per share)       $ 2.90
Series A | Performance Based RSU's | Employee        
Stock-Based Compensation        
Vesting period   1 year    
RSUs granted   31,000 177,000 72,000
Weighted average grant date fair value, RSUs, MSUs and PSUs granted (in dollars per share)   $ 0.99 $ 1.94 $ 6.73
Series A | Time Based RSU's | Employee        
Stock-Based Compensation        
RSUs granted       8,000
Weighted average grant date fair value, RSUs, MSUs and PSUs granted (in dollars per share)       $ 6.73
Series A | Time Based RSU's | Nonemployee        
Stock-Based Compensation        
Vesting period     1 year 1 year
RSUs granted     293,000 154,000
Weighted average grant date fair value, RSUs, MSUs and PSUs granted (in dollars per share)     $ 0.70 $ 2.53
Series A | Time Based RSU's | Tranche One | Employee        
Stock-Based Compensation        
Percentage Vesting       50.00%
Series A | Time Based RSU's | Tranche Two | Employee        
Stock-Based Compensation        
Percentage Vesting       50.00%
Series B | Employee Stock Option [Member]        
Stock-Based Compensation        
Granted   0    
Exercised   0    
Series B | Employee Stock Option [Member] | CEO        
Stock-Based Compensation        
Cancelled or expired (1,800,000)      
Series B | Performance Based RSU's | CEO        
Stock-Based Compensation        
Vesting period   1 year    
RSUs granted   175,000 367,000 154,000
Weighted average grant date fair value, RSUs, MSUs and PSUs granted (in dollars per share)   $ 1.04 $ 2.04 $ 7.07