v3.26.1
Stock Incentive Plan and Employee Stock Purchase Plan (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 189 Months Ended
Jun. 20, 2019
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock compensation expense       $ 28 $ 27    
Common Stock, Shares, Issued   7,840,882   7,840,882   7,840,882 7,822,622
Restricted Stock [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted   0 0 16,031 16,845 317,659  
Stock compensation expense       $ 366 $ 326    
Minimum [Member] | Restricted Stock [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award vesting period       3 years      
2010 Stock Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award expiration date       Jun. 20, 2029      
Shares available for issuance   322,454   322,454   322,454  
2010 Stock Incentive Plan [Member] | Maximum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award vesting period 10 years            
Number of shares authorized 756,356            
Employee Stock Purchase Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares authorized   350,000   350,000   350,000  
Minimum work hours per week       20 hours      
Minimum months to be eligible to participate       5 months      
Purchase price for share percentage equal to fair value of such shares       90.00%      
Maximum discount to fair value percentage       15.00%      
Employee stock purchase plan, discount expense   $ 3 $ 1 $ 5 $ 2    
Common Stock, Shares, Issued   37,586   37,586   37,586