|
Prepaid Expenses And Other Current Assets (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Prepaid Expense and Other Assets [Line Items] | ||
| Prepaid Insurance | $ 248 | $ 346 |
| Prepaid patent costs | 159 | 127 |
| Other prepaid expenses | 48 | 52 |
| Total prepaid expenses and other current assets | $ 455 | $ 525 |