INCOME TAXES - Significant components of Company's net deferred tax assets and liability (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Deferred Tax Asset | ||
| Net-operating loss carryforward | $ 11,429 | $ 8,001 |
| Stock-based compensation | 1,795 | 909 |
| Others | (52) | 107 |
| Total Deferred Tax Assets | 13,172 | 9,017 |
| Valuation Allowance | (13,172) | (9,017) |
| Deferred Tax Asset, Net of Allowance | $ 0 | $ 0 |