Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Tables)

Revenue Recognition (Tables)
9 Months Ended
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]  
Contract with Customer, Asset and Liability
The following table presents changes in these contract liability balances for the nine-month period ended September 30, 2019 (U.S. dollars in thousands):
Outstanding at December 31, 2018 $ 1,079   
Increase (decrease) attributed to:  
Customer loyalty net deferrals  3,976   
Customer loyalty redemptions  (3,999)  
Outstanding at September 30, 2019 $ 1,056   
The table above excludes liability for sales returns, as they are insignificant.