|
Summary of Fair Value Measurement of Financial Assets (Detail) (Short Term Investments and Cash Equivalents, USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Cash equivalents - Overnight Investments | $ 1,623 |
| Fair Value, Inputs, Level 2 | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Cash equivalents - Overnight Investments | $ 1,623 |