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Stock Compensation Plans, Employee Stock Purchase Plan (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 26, 2023
Dec. 31, 2022
Dec. 31, 2021
Subsequent Event [Member]      
Employee Stock Purchase Plan [Abstract]      
Stock dividend percentage 5.00%    
Dividends, date declared Jan. 26, 2023    
Dividends, date to be paid Mar. 24, 2023    
Dividends, date of record Feb. 28, 2023    
2016 Amended Employee Stock Purchase Plan [Member]      
Employee Stock Purchase Plan [Abstract]      
Shares authorized for issuance under plan (in shares)   358,911  
Purchase price of stock in percentage for participation   85.00%  
Percentage of eligible employee participating in plan   40.00%  
Cash contributions to ESPP   $ 116  
Shares purchased for award (in shares)   17,353  
Weighted average purchase price of shares purchased (in dollars per share)   $ 6.68  
Compensation cost related to ESPP   $ 20 $ 32
2016 Amended Employee Stock Purchase Plan [Member] | Minimum [Member]      
Employee Stock Purchase Plan [Abstract]      
Eligibility employment period required for plan participation   90 days  
2016 Amended Employee Stock Purchase Plan [Member] | Maximum [Member]      
Employee Stock Purchase Plan [Abstract]      
Plan participation period   27 months  
Percentage of employee compensation that can be withheld to purchase common stock   10.00%