v3.23.1
Common Stock and Stock Options (Details) - $ / shares
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Common Stock and Stock Options      
Options 41,304 41,304 41,304
Stock Options, Options exercisable 34,361 34,361  
Weighted average option price $ 1.05 $ 1.05 $ 1.05
Weighted Average Exercise Price, Options exercisable $ 1.01 $ 1.01