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Related party transactions (Tables)
 12 Months Ended
Dec. 31, 2016
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions

Activity with franchisees considered to be related parties is summarized below.

 

 

 

For the Year Ended

December 31,

 

 

 

2016

 

 

2015

 

 

2014

 

Franchise revenue

 

$

1,760

 

 

$

1,232

 

 

$

733

 

Equipment revenue

 

 

1,338

 

 

 

1,686

 

 

 

3,711

 

Total revenue from related parties

 

$

3,098

 

 

$

2,918

 

 

$

4,444