XML 30 R17.htm IDEA: XBRL DOCUMENT v3.22.0.1
Common Stock
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Common Stock Common Stock
There were 3,447,441 and 3,695,577 common shares outstanding at December 31, 2021 and 2020, respectively. We made the following share repurchases during the years indicated:
 Year Ended December 31,
 202120202019
Aggregate purchase price$1,538,019 $371,078 $698,417 
Number of shares repurchased322,038 96,346 220,965 

We issue shares from the treasury account for all equity plan activity. We issued 74,027, 159,151 and 275,906 such shares during 2021, 2020 and 2019, respectively.