MARKETABLE SECURITIES (Details) (USD $) In Thousands, unless otherwise specified	Apr. 04, 2015	Jan. 03, 2015
Aggregate fair value and aggregate amount of unrealized gains and losses
Available For Sale Securities, Current	$ 6	$ 57
Fair Value | Fair Value Measurements, Recurring basis
Aggregate fair value and aggregate amount of unrealized gains and losses
Available For Sale Securities, Current	6	57
Money market funds | Fair Value | Fair Value Measurements, Recurring basis
Aggregate fair value and aggregate amount of unrealized gains and losses
Available For Sale Securities, Current	6	7
Certificates of deposit | Fair Value | Fair Value Measurements, Recurring basis
Aggregate fair value and aggregate amount of unrealized gains and losses
Available For Sale Securities, Current		$ 50