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Fair Value Hierarchy Financial Instruments Measured at Fair Value on a Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Long-Term Investment, at fair value | $ 250 |
| Short-Term Investment, at fair value | 243 |
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Fair Value, Inputs, Level 1 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Long-Term Investment, at fair value | 0 |
| Short-Term Investment, at fair value | 0 |
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Fair Value, Inputs, Level 2 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Long-Term Investment, at fair value | 0 |
| Short-Term Investment, at fair value | 0 |
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Fair Value, Inputs, Level 3 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Long-Term Investment, at fair value | 250 |
| Short-Term Investment, at fair value | $ 243 |