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7. Analysis of Franchise Locations (Tables)
12 Months Ended
Dec. 31, 2020
Incentive Stock Option Plan [Member]  
Franchised and owned branch locations
Franchised offices, December 31, 2018     97  
Closed in 2019     (10 )
Opened in 2019     60  
Franchised offices, December 31, 2019     147  
Closed in 2020     (13 )
Opened in 2020     5  
Franchised offices, December 31, 2020     139