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OTHER LIABILITIES - Summary of other noncurrent liabilities (Details 1) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Other Liabilities Disclosure [Abstract] | ||
| Deferred rent | $ 1,006 | $ 323 |
| Deferred revenue and other noncurrent liabilities | 687 | 356 |
| Other liabilities noncurrent total | $ 1,693 | $ 679 |