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Cash, Restricted Cash, Cash Equivalents and Investments (Details) - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash Equivalents, at Carrying Value        
Cash, restricted cash and cash equivalents $ 33,811,000 $ 50,114,000 $ 41,348,000 $ 36,763,000
Amortized Cost   2,160,000    
Total cash, restricted cash, cash equivalents and investments, amortized cost 33,811,000 52,274,000    
Gross Unrealized (Loss)   (20,000)    
Fair Value   2,140,000    
Total cash, restricted cash, cash equivalents and investments, fair value 33,811,000 52,254,000    
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity        
Due within 1 year   2,160,000    
Investments, amortized cost   2,160,000    
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity        
Due within 1 year   2,140,000    
Investments, fair value   2,140,000    
Debt Securities, Available-for-Sale, Unrealized Loss   20,000    
Impairment charge $ 0 1,900,000 $ 0  
Certificates of Deposit        
Cash Equivalents, at Carrying Value        
Amortized Cost   2,160,000    
Gross Unrealized (Loss)   (20,000)    
Fair Value   2,140,000    
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity        
Investments, amortized cost   2,160,000    
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity        
Investments, fair value   $ 2,140,000