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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Liabilities:    
Total liabilities measured at fair value $ 0  
Fair Value, Recurring    
Current assets:    
Cash equivalents 5,372,000  
Short-term investments 5,708,000  
Assets measured at fair value 11,080,000  
Liabilities:    
Total liabilities measured at fair value   $ 7,802,000
Fair Value, Recurring | Money Market Funds    
Current assets:    
Cash equivalents 3,634,000  
Fair Value, Recurring | Commercial Paper    
Current assets:    
Cash equivalents 1,738,000  
Short-term investments 5,213,000  
Fair Value, Recurring | U.S. Government Sponsored Entities - Mortgagebacked Securities    
Current assets:    
Short-term investments 495,000  
Fair Value, Recurring | Convertible promissory notes    
Liabilities:    
Total liabilities measured at fair value   5,157,000
Fair Value, Recurring | Preferred warrants liability    
Liabilities:    
Total liabilities measured at fair value   1,453,000
Fair Value, Recurring | Convertible Promissory Note Warrants Liability [Member]    
Liabilities:    
Total liabilities measured at fair value   1,192,000
Fair Value, Recurring | Level 1    
Current assets:    
Cash equivalents 3,634,000  
Assets measured at fair value 3,634,000  
Fair Value, Recurring | Level 1 | Money Market Funds    
Current assets:    
Cash equivalents 3,634,000  
Fair Value, Recurring | Level 2    
Current assets:    
Cash equivalents 1,738,000  
Short-term investments 5,708,000  
Assets measured at fair value 7,446,000  
Fair Value, Recurring | Level 2 | Commercial Paper    
Current assets:    
Cash equivalents 1,738,000  
Short-term investments 5,213,000  
Fair Value, Recurring | Level 2 | U.S. Government Sponsored Entities - Mortgagebacked Securities    
Current assets:    
Short-term investments $ 495,000  
Fair Value, Recurring | Level 3    
Liabilities:    
Total liabilities measured at fair value   7,802,000
Fair Value, Recurring | Level 3 | Convertible promissory notes    
Liabilities:    
Total liabilities measured at fair value   5,157,000
Fair Value, Recurring | Level 3 | Preferred warrants liability    
Liabilities:    
Total liabilities measured at fair value   1,453,000
Fair Value, Recurring | Level 3 | Convertible Promissory Note Warrants Liability [Member]    
Liabilities:    
Total liabilities measured at fair value   $ 1,192,000