|
Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|---|
| Property, Plant and Equipment [Line Items] | |||
| Property and equipment, gross | $ 4,157 | $ 3,839 | |
| Less accumulated depreciation and amortization | (2,554) | (2,447) | |
| Property and equipment, net | 1,437 | 1,603 | 1,392 |
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Furniture and office equipment [Member]
|
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| Property, Plant and Equipment [Line Items] | |||
| Property and equipment, gross | 388 | 388 | |
|
Leasehold improvements [Member]
|
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| Property, Plant and Equipment [Line Items] | |||
| Property and equipment, gross | 408 | 408 | |
|
Laboratory equipment [Member]
|
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| Property, Plant and Equipment [Line Items] | |||
| Property and equipment, gross | 2,318 | 2,047 | |
|
Computer equipment [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Property and equipment, gross | $ 1,043 | $ 996 |