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Stock-Based Compensation and Stock Repurchases (Narrative) (Details) - USD ($)
3 Months Ended
Dec. 05, 2024
Dec. 07, 2023
Apr. 30, 2021
Mar. 31, 2025
Mar. 31, 2024
Nov. 04, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock repurchase value       $ 0    
Share conversion ratio       1    
Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation expense       $ 299,000 $ 49,000  
Unrecognized estimated compensation cost related to non-vested stock options granted       $ 470,000    
Recognition period of unrecognized compensation cost       9 months    
Value of all options outstanding, vested and expected to vest          
Share price       $ 1.39    
Minimum [Member] | 2020 Stock Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period of stock options and RSU       1 year    
Maximum [Member] | 2020 Stock Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period of stock options and RSU       4 years    
Class A [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares repurchased plan, shares       0 0  
Class A [Member] | 2020 Stock Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common Stock authorized for issuance       5,721,807   1,250,000
Additional shares authorized 3,500,000 971,807        
Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation expense       $ 301,000 $ 628,000  
Unrecognized estimated compensation cost related to non-vested stock options granted       $ 3,000,000.0    
Vesting period of stock options and RSU       10 months 6 days    
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period of stock options and RSU       4 years    
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | Tranche One [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     75.00%      
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | Tranche Two [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     25.00%      
Management [Member] | Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period of stock options and RSU       4 years    
Percentage of shares vested       25.00%    
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period of stock options and RSU       4 years    
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | Tranche One [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     50.00%      
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | Tranche Two [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     50.00%