DEFERRED REVENUE (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred revenue
Total deferred revenue	$ 41,780	$ 50,944
Payments owed or received prior to product delivery
Deferred revenue
Total deferred revenue	22,943	28,811
Club O membership fees and reward points
Deferred revenue
Total deferred revenue	8,958	13,094
In store credits
Deferred revenue
Total deferred revenue	4,391	4,451
Unredeemed gift cards
Deferred revenue
Total deferred revenue	4,304	3,375
Other
Deferred revenue
Total deferred revenue	$ 1,184	$ 1,213