Quarterly report pursuant to Section 13 or 15(d)

Revenue from contracts with customers - Changes in Deferred Gift Card and Gift Certificate Revenue (Details)

v3.19.2
Revenue from contracts with customers - Changes in Deferred Gift Card and Gift Certificate Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Revenue recognized during the period related to redemptions $ 300 $ 200 $ 700 $ 500
Deferred gift card and gift certificate revenue        
Deferred revenue, as of December 31, 2018     491  
Additions to deferred gift card and gift certificates revenue     296  
Revenue recognized during the period related to redemptions     (566)  
Deferred revenue, as of June 30, 2019 $ 221   $ 221