DEFERRED REVENUE (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred revenue
Total deferred revenue	$ 38,411	$ 27,978
Payments owed or received prior to product delivery
Deferred revenue
Total deferred revenue	29,280	17,691
Club O membership fees and reward points
Deferred revenue
Total deferred revenue	3,579	5,193
Unredeemed gift cards
Deferred revenue
Total deferred revenue	2,973	3,738
Other
Deferred revenue
Total deferred revenue	$ 2,579	$ 1,356