Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
Apr. 10, 2024
Apr. 15, 2024
Apr. 01, 2024
Mar. 31, 2024
Dec. 31, 2023
Subsequent Event [Line Items]          
Number of shares of common stock reserved for issuance (in shares)       92,957,307 77,183,168
Subsequent Event | Second Secured Notes          
Subsequent Event [Line Items]          
Secured Notes, Cash Payments to Note Holders   $ 5,500 $ 5,500    
Secured Notes, Aggregate Principal Amount, Repaid   $ 4,600 $ 4,200    
Class of Warrant or Right, Unissued     21,949,079    
Exercise Price per Warrant (in dollars per share)     $ 0.4556    
Subsequent Event | Securities Purchase Agreement          
Subsequent Event [Line Items]          
Number of shares of common stock reserved for issuance (in shares) 34,285,715        
Class of Warrant or Right, Unissued 34,285,715        
Exercise Price per Warrant (in dollars per share) $ 0.35        
Proceeds from Issuance of Common Stock $ 12,000        
Subsequent Event | Placement Agency Agreement          
Subsequent Event [Line Items]          
Placement Agency Agreement, Cash Fee of Aggregate Purchase Price 7.00%        
Placement Agency Agreement, Certain Expenses, Reimburse up to $ 150        
Placement Agency Agreement, Percent, Purchase Number of Shares of Common Stock Sold in Offering 5.00%        
Placement Agency Agreement, Shares, Purchase Number of Shares of Common Stock Sold in Offering 1,714,286        
Placement Agent Warrants, Exercise Price $ 0.385        
Placement Agent Warrants, Percent, Offering Price Per Share 110.00%