Quarterly report pursuant to Section 13 or 15(d)

Warrants (Details)

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Warrants (Details) - Common Stock Warrants - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Number of Common Shares Issuable Upon Exercise of Outstanding Warrants    
Outstanding at beginning of year (in shares) 13,064,299  
Issued (in shares) 60,728,829  
Exercised (in shares) (2,750,557)  
Outstanding at end of year (in shares) 71,042,571 13,064,299
Weighted Average Exercise Price    
Outstanding at beginning of year (in usd per share) $ 2.40  
Issued (in usd per share) 0.49  
Exercised (in usd per share) 0.52  
Outstanding at end of year (in usd per share) $ 0 $ 2.40
Weighted Average Remaining Term in Years    
Outstanding 5 years 3 months 10 days 2 years 5 months 4 days
Issued 5 years 11 months 4 days