Quarterly report pursuant to Section 13 or 15(d)

Warrants - Warrant Activity (Details)

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Warrants - Warrant Activity (Details) - Warrant - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Warrants    
Number of Warrants outstanding beginning balance (in shares) 6,852,952  
Granted (in shares) 100,000  
Exercised (in shares) 0  
Expired (in shares) (26,000)  
Forfeitures (in shares) 0  
Number of Warrants outstanding, ending balance (in shares) 6,926,952 6,852,952
Exercisable (in shares) 6,926,952 6,852,952
Weighted-Average Remaining Contractual Life    
Weighted-Average Remaining Contractual Life 3 years 8 months 12 days 4 years 1 month 28 days
Exercisable 3 years 8 months 12 days 4 years 1 month 28 days
Weighted-Average Exercise Price per Share    
Weighted average exercise price per share, beginning balance (in dollars per share) $ 7.14  
Granted (in dollars per share) 1.00  
Expired (in dollars per share) 26.88  
Weighted average exercise price per share, ending balance (in dollars per share) 6.98 $ 7.14
Weighted average exercise price per share, exercisable (in dollars per share) $ 6.98 $ 7.14