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Debt (Details)
 1 Months Ended 3 Months Ended
Nov. 30, 2023
USD ($)
installment
Dec. 31, 2023
USD ($)
Nov. 30, 2022
USD ($)
installment
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Debt Instrument [Line Items]          
Interest expense       $ 921,000 $ 923,000
Restricted cash, current       4,700,000  
AFCO Premium Credit LLC Insurance Premium Financing Agreement | Notes Payable, Other Payables          
Debt Instrument [Line Items]          
Interest rate, stated percentage (in percent) 7.00%   4.50%    
Debt instrument, face amount $ 1,200,000   $ 2,100,000    
Debt instrument, term 12 months   12 months    
Down payment $ 300,000   $ 500,000    
Long-term debt $ 900,000   $ 1,500,000 600,000  
Periodic payment, number of quarterly installments | installment 3   3    
Interest expense       12,000 14,000
Revolving Credit Facility | City National Bank Revolving Credit Agreement | Line of Credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 30,000,000 $ 20,000,000      
Unused line fee (in percent)   0.30%      
Commitment fee, payable term after each quarter   10 days      
Commitment fee (in percent)   0.50%      
Deferred offering costs capitalized       32,000  
Commitment fee       100,000  
Unamortized debt issuance cost       $ 100,000  
Interest rate, stated percentage (in percent)       8.10%  
Interest expense       $ 100,000 $ 100,000
Outstanding balance       4,700,000  
Outstanding amount available to be borrowed       $ 15,300,000  
Revolving Credit Facility | City National Bank Revolving Credit Agreement | Line of Credit | Secured Overnight Financing Rate (SOFR)          
Debt Instrument [Line Items]          
Basis spread on variable rate   2.75%      
Revolving Credit Facility | City National Bank Revolving Credit Agreement | Line of Credit | Base Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate   3.00%