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Income Taxes (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]        
Income Tax Expense (Benefit) $ (6,000) $ 303,000 $ 510,000 $ 0
Operating Loss Carryforwards 47,600,000   39,800,000  
Deferred Tax Assets, Net 0   0  
Deferred Tax Assets, Valuation Allowance $ 13,333,000   $ 11,147,000  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%   21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent     (6.34%)  
Effective Income Tax Rate Reconciliation, Percent 0.07%   7.19%  
Deferred Tax Assets, Tax Deferred Expense $ 2,200,000      
Interest Income Components [Line Items]        
Operating Loss Carryforwards 47,600,000   $ 39,800,000  
Income Tax Expense (Benefit) (6,000) $ 303,000 510,000 $ 0
Deferred Tax Assets, Tax Deferred Expense 2,200,000      
Deferred Tax Assets, Valuation Allowance 13,333,000   11,147,000  
Deferred Tax Assets, Net 0   0  
Deferred Tax Liabilities, Investments 0   0  
deferred Tax Liability, Valuation Allowance $ 0   $ 0  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%   21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent     (6.34%)  
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent (27.26%)   (20.15%)  
Effective Income Tax Rate Reconciliation, Percent 0.07%   7.19%  
Total, Percentage of Dividends with Tax Characteristic 100.00%   100.00% 100.00%
Current Federal Tax Expense (Benefit) $ 0   $ 238,000  
Current State and Local Tax Expense (Benefit) (6,000)   272,000  
Current Income Tax Expense (Benefit) (6,000)   510,000  
Deferred Federal Income Tax Expense (Benefit) 0   0  
Deferred State and Local Income Tax Expense (Benefit) 0   0  
Deferred Income Tax Expense (Benefit) 0   0  
Unrecognized Tax Benefits 3,300,000   2,800,000  
Deferred Tax Assets, Operating Loss Carryforwards 13,333,000   11,147,000  
Deferred Tax Assets, Capital Loss Carryforwards 0   0  
Deferred Tax Assets, Investments 0   0  
Deferred Income Tax Liabilities, Net 0   0  
Net Deferred Tax Asset (Liability), Net of Valuation Allowance $ 0   $ 0  
Return of Capital 100.00%   75.90% 62.00%
Ordinary Income 0.00%   24.10% 38.00%
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount $ (1,654,000)      
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount $ 2,147,000      
CONNECTICUT        
Income Tax Disclosure [Abstract]        
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent (5.93%)      
Interest Income Components [Line Items]        
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent (5.93%)      
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount $ (467,000)      
State and Local Tax Jurisdiction, Other        
Income Tax Disclosure [Abstract]        
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent (0.41%)      
Interest Income Components [Line Items]        
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent (0.41%)      
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount $ (32,000)