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Shareholders Equity (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Granted (5,514) (31,782)
Plan shares available for grant, ending 97,648 93,731
Granted 0 0
Plan options outstanding, ending 19,122 30,498
Weighted average exercise price per share, ending $ 13.23 $ 14.69
Granted $ 0.00 $ 0.00
Stock options exercised, plan shares available for grant 0  
Stock options exercised, plan options outstanding (1,973)  
Stock options exercised, weighted average exercise per share $ 13.59  
Stock options exercised, aggregate intrinsic value $ 17,100  
Stock Option Plan 2013 | Employee Stock Option [Member]    
Cancelled or forfeited 292 2,241
Cancelled $ 292 $ 2,241
Cancelled or forfeited per share $ 15.54 $ 15.54
Stock Option Plan 2013 | Restricted Stock and Restricted Stock Units    
Cancelled or forfeited 1,047 1,450
Cancelled $ 0 $ 0
Cancelled or forfeited per share $ 12.39 $ 13.34
Stock Option Plan 2018 | Employee Stock Option [Member]    
Cancelled or forfeited 2,584 1,070
Cancelled $ 2,584 $ 1,070
Cancelled or forfeited per share $ 13.36 $ 13.65
Stock Option Plan 2018 | Restricted Stock and Restricted Stock Units    
Cancelled or forfeited 5,508 3,091
Cancelled $ 0 $ 0
Cancelled or forfeited per share $ 8.69 $ 9.58
Stock Option Plan 2003 | Employee Stock Option [Member]    
Cancelled or forfeited 0 0
Cancelled $ 6,527 $ 8,607
Cancelled or forfeited per share $ 19.66 $ 24.23