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Certain Balance Sheet Items - Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
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Dec. 31, 2013
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|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 321 | $ 3,298 |
| Less accumulated depreciation and amortization | (230) | (3,295) |
| Property and equipment, net | 91 | 3 |
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Office and computer equipment [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 176 | 556 |
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Purchased software [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 46 | 166 |
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Furniture and fixtures [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 33 | 42 |
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Leasehold improvements [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 66 | $ 2,534 |