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Fair Value Of Financial Instruments (Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - Recurring [Member] - USD ($)
Mar. 31, 2023
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment $ 0 $ 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 270,000 371,000    
Fixed maturity investments (included in cash and cash equivalents) 2,188,000 1,196,000    
Foreign exchange contracts 0      
Total assets at fair value 2,458,000 1,567,000    
Quoted Price In Active Markets For Identical Assets (Level 1) [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment 0 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 270,000 371,000    
Fixed maturity investments (included in cash and cash equivalents) 2,188,000 1,196,000    
Foreign exchange contracts 0      
Total assets at fair value 2,458,000 1,567,000    
Significant Other Observable Inputs (Level 2) [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment 0 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 0 0    
Fixed maturity investments (included in cash and cash equivalents) 0 0    
Foreign exchange contracts 0      
Total assets at fair value 0 0    
Significant Unobservable Inputs (Level 3) [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment 0 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 0 0    
Fixed maturity investments (included in cash and cash equivalents) 0 0    
Foreign exchange contracts 0      
Total assets at fair value $ 0 $ 0 $ 0 $ 0