PREPAID EXPENSES AND OTHER CURRENT ASSETS (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Prepaid Expense and Other Assets [Line Items] | ||
| Prepaid insurance | $ 84 | $ 248 |
| Prepaid patent costs | 22 | 159 |
| Due from Walker Digital and Flexible Travel Company | 201 | 0 |
| Prepaid software | 273 | 0 |
| Other prepaid expenses | 54 | 48 |
| Total prepaid expenses and other current assets | $ 634 | $ 455 |