Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.23.1
Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
May 15, 2023
May 12, 2023
Mar. 31, 2023
Jan. 28, 2022
Subsequent Event [Line Items]        
Convertible debt     $ 1,426  
Common shares issued for extinguishment of debt (in shares)     1,547,234  
Number of securities called by warrants or rights (in shares)       657,402
Common Stock        
Subsequent Event [Line Items]        
Convertible debt     $ 1  
Common shares issued for extinguishment of debt (in shares)     1,547,234  
Registered Direct Offering | Warrants        
Subsequent Event [Line Items]        
Exercise price of warrants (in usd per share)     $ 0.001  
Subsequent Event | May 15th 2023 Warrant Issuance        
Subsequent Event [Line Items]        
Warrants to purchase shares of common stock after adjustment (in shares) 150,000,000      
Number of securities called by warrants or rights (in shares) 150,000,000      
Aggregate offering price $ 1,500      
Percent of lowest VWAP of common stock (as a percent) 90.00%      
Minimum percent higher than prior trading Day (as a percent) 10.00%      
Maximum percentage ownership of purchaser (as a percent) 9.99%      
Placement fee upon issuance of warrants (as a percent) 2.75%      
Placement fee upon warrants exercised for cash (as a percent) 5.50%      
Placement fee to agent $ 50      
Subsequent Event | May 15th 2023 Warrant Issuance | Common Stock        
Subsequent Event [Line Items]        
Exercise price of warrants (in usd per share) $ 0.001      
Subsequent Event | May 15th 2023 Warrant Issuance | Warrants        
Subsequent Event [Line Items]        
Exercise price of warrants (in usd per share) $ 0.01      
Subsequent Event | Sales Agreement        
Subsequent Event [Line Items]        
Number of shares sold under offering (in shares)   12,046,742    
Sale of stock, consideration received on transaction   $ 4,100    
Subsequent Event | Sales Agreement | Minimum        
Subsequent Event [Line Items]        
Share price (in usd per share)   $ 0.22771    
Subsequent Event | Sales Agreement | Maximum        
Subsequent Event [Line Items]        
Share price (in usd per share)   $ 0.54    
Subsequent Event | July 2022 Note Purchase Agreement and Promissory Note        
Subsequent Event [Line Items]        
Convertible debt   $ 1,200    
Debt instrument, interest rate, stated percentage   10.00%    
Subsequent Event | July 2022 Note Purchase Agreement and Promissory Note | Minimum        
Subsequent Event [Line Items]        
Convertible debt, conversion price (in dollars per share)   $ 0.3336    
Subsequent Event | July 2022 Note Purchase Agreement and Promissory Note | Maximum        
Subsequent Event [Line Items]        
Convertible debt, conversion price (in dollars per share)   $ 0.3966    
Subsequent Event | July 2022 Note Purchase Agreement and Promissory Note | Common Class A        
Subsequent Event [Line Items]        
Common shares issued for extinguishment of debt (in shares)   3,260,379