Quarterly report pursuant to Section 13 or 15(d)

Fair value measurements (Details)

v3.24.3
Fair value measurements (Details) - USD ($)
Sep. 30, 2024
Dec. 31, 2023
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total $ 69,349,000 $ 2,947,000
Recurring basis    
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 69,349,000  
Recurring basis | Corporate debt securities    
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 17,172,000  
Recurring basis | US Treasury Bill Securities [Member]    
Cash equivalents:    
Total Cash Equivalents 3,996,000  
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 35,162,000  
Recurring basis | US Government-sponsored Enterprises Debt Securities [Member]    
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 17,015,000  
Recurring basis | Level 1    
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 17,172,000  
Recurring basis | Level 1 | Corporate debt securities    
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 17,172,000  
Recurring basis | Level 2    
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 52,177,000  
Recurring basis | Level 2 | US Treasury Bill Securities [Member]    
Cash equivalents:    
Total Cash Equivalents 3,996,000  
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total 35,162,000  
Recurring basis | Level 2 | US Government-sponsored Enterprises Debt Securities [Member]    
Marketable securities:    
Available-for-sale securities, Debt Securities, Current, Total $ 17,015,000