Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity (Stock Option Activities) (Details)

v3.23.1
Stockholders Equity (Stock Option Activities) (Details) - Options [Member] - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Options rollforward    
Stock Options, Outstanding, Number, Beginning Balance 76,112  
Options, Outstanding, Number, Ending Balance 76,112 76,112
Options vested and exercisable 47,570  
Weighted Average Exercise Price    
Weighted Average Exercise Price, Beginning $ 59.09  
Weighted Average Exercise Price, Ending 59.09 $ 59.09
Weighted Average Exercise Price, options vested and exercisable $ 59.09  
Weighted Average Remaining Contractual Life, Options outstanding (in years) 4 years 21 days 4 years 3 months 21 days
Weighted Average Remaining Contractual Life, Options vested and exercisable (in years) 4 years 21 days  
Unrecognized share-based compensation $ 0