FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Jan. 01, 2017 |
|---|---|---|
| Assets Fair Value Disclosure [Abstract] | ||
| Assets Held For Sale Long Lived Fair Value Disclosure | $ 1 | |
| Property and Equipment, Net Fair Value Disclosure | $ 828 | 1,742 |
| Fair Value Inputs, Level 2 [Member] | ||
| Assets Fair Value Disclosure [Abstract] | ||
| Assets Held For Sale Long Lived Fair Value Disclosure | 1 | |
| Fair Value Inputs, Level 3 [Member] | ||
| Assets Fair Value Disclosure [Abstract] | ||
| Property and Equipment, Net Fair Value Disclosure | $ 828 | $ 1,742 |