Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.23.3
Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
Sep. 30, 2023
Aug. 31, 2023
Jul. 31, 2023
Aug. 31, 2023
Jun. 30, 2023
Oct. 31, 2023
Feb. 04, 2023
Subsequent Event [Line Items]              
Warrants to purchase common shares, shares   14,700,000 14,700,000 14,700,000      
Term of warrants   5 years 5 years 5 years      
Exercise price of share   $ 0.50 $ 0.50 $ 0.50 $ 0.306    
Placement agent fees and expenses   $ 400 $ 400        
Convertible note, redeemed amount       $ 1,500      
Placement agent notes              
Subsequent Event [Line Items]              
Debt Instrument Term         18 months    
Convertible note, aggregate principal         $ 2,300    
Proceeds from issuance of warrants         1,100    
Placement agent fees and expenses         $ 200    
Partitioned Notes              
Subsequent Event [Line Items]              
Convertible note, aggregate principal   $ 1,500   $ 1,500      
Long-term Convertible Note - April 2, 2021 Note              
Subsequent Event [Line Items]              
Convertible note, aggregate principal             $ 4,600
Conversion of preferred stock to common stock (in shares)       8,700,000      
Placement Agent Warrants Issue One | Placement agent notes              
Subsequent Event [Line Items]              
Warrants to purchase common shares, shares         1,300,000    
Term of warrants         3 years    
Exercise price of share         $ 0.50    
Placement Agent Warrants Issue Two | Placement agent notes              
Subsequent Event [Line Items]              
Warrants to purchase common shares, shares         400,000    
Term of warrants         10 years    
Exercise price of share         $ 0.26    
Accredited Investors              
Subsequent Event [Line Items]              
Warrants to purchase common shares, shares   14.7 14.7 14.7      
Stock issued for private offerings   $ 2,600 $ 2,600        
Accredited Investors | Placement agent notes              
Subsequent Event [Line Items]              
Exercise price of share   $ 0.20   $ 0.20      
Convertible note, redeemed amount     $ 2,300        
Warrants issued in debt conversion     11,500,000        
Allotment to placement agent              
Subsequent Event [Line Items]              
Warrants to purchase common shares, shares   2,200,000 2,200,000 2,200,000      
Term of warrants   10 years 10 years 10 years      
Exercise price of share   $ 0.20 $ 0.20 $ 0.20      
Placement agent fees and expenses   $ 5,000 $ 5,000        
July Private Placement | Placement agent notes              
Subsequent Event [Line Items]              
Number of common shares in a fixed combination issue of shares     1        
Number of warrants in a fixed combination issue of securities     1        
Number of shares     1        
Closing share price (as percentage)     90.00%        
Subsequent Event | Partitioned Notes              
Subsequent Event [Line Items]              
Convertible note, aggregate principal           $ 500  
Aggregate units offered for issuance           3.5  
Subsequent Event | September Private Placement | Placement agent notes              
Subsequent Event [Line Items]              
Warrants to purchase common shares, shares 2,500,000            
Term of warrants 5 years            
Exercise price of share $ 0.50            
Proceeds from issuance of warrants $ 400            
Number of common shares in a fixed combination issue of shares 1            
Number of warrants in a fixed combination issue of securities 1            
Number of shares 1            
Exercise price of stock warrant combo, per share $ 0.20            
Closing share price (as percentage) 90.00%            
Stock issued for private offerings (in shares) 2.5            
Stock issued for private offerings $ 500