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Schedule of Cash and Cash Equivalents, Restricted Cash and Investments (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Debt Securities, Available-for-Sale [Line Items]      
Cash and Cash Equivalents $ 22,100 $ 8,586 $ 30,938
Restricted Cash- current 525 525 618
Short-term Investments 19,844  
Restricted Cash 350 744 $ 875
Total assets measured at fair value, Amortized Cost 22,975 29,699  
Total assets measured at fair value, Gross Unrealized Gains 2  
Total assets measured at fair value, Gross Unrealized Losses (2) (8)  
Total assets measured at fair value, Fair value 22,973 29,693  
Fair Value, Inputs, Level 2 [Member]      
Debt Securities, Available-for-Sale [Line Items]      
Cash and Cash Equivalents 19,686 5,328  
Restricted Cash- current 525 525  
Short-term Investments 19,844  
Restricted Cash 350 744  
Cash and Held to maturity securities, Amortized Cost 20,561 26,441  
Cash and Held to maturity securities, Gross Unrealized Gains 2  
Cash and Held to maturity securities, Gross Unrealized Losses (2) (8)  
Cash and Held to maturity securities, Fair Value 20,559 26,435  
Cash [Member]      
Debt Securities, Available-for-Sale [Line Items]      
Cash and Cash Equivalents 2,414 3,258  
Cash, Gross Unrealized Gains  
Cash, Gross Unrealized Losses  
Cash, Fair Value 2,414 3,258  
Restricted Cash- current  
Short-term Investments  
Restricted Cash  
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]      
Debt Securities, Available-for-Sale [Line Items]      
Cash and Cash Equivalents 19,686 346  
Cash, Gross Unrealized Gains  
Cash, Gross Unrealized Losses (2)  
Cash, Fair Value 20,559 1,615  
Restricted Cash- current 525 525  
Short-term Investments  
Restricted Cash 350 744  
Cash $ 20,561 1,615  
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]      
Debt Securities, Available-for-Sale [Line Items]      
Cash and Cash Equivalents   4,982  
Restricted Cash- current    
Short-term Investments   9,851  
Restricted Cash    
Cash and Held to maturity securities, Amortized Cost   14,833  
Cash and Held to maturity securities, Gross Unrealized Gains   2  
Cash and Held to maturity securities, Gross Unrealized Losses   (2)  
Cash and Held to maturity securities, Fair Value   14,833  
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]      
Debt Securities, Available-for-Sale [Line Items]      
Cash and Cash Equivalents    
Restricted Cash- current    
Short-term Investments   9,993  
Restricted Cash    
Cash and Held to maturity securities, Amortized Cost   9,993  
Cash and Held to maturity securities, Gross Unrealized Gains    
Cash and Held to maturity securities, Gross Unrealized Losses   (6)  
Cash and Held to maturity securities, Fair Value   $ 9,987