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Summary Of Significant Accounting Policies (Components of Property and Equipment) (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Property, Plant and Equipment [Line Items] | |||
| Propertyand equipment, gross | $ 21,706,000 | $ 18,804,000 | |
| Less accumulated depreciation | (14,141,000) | (11,657,000) | |
| Property and equipment, net | 7,565,000 | 7,147,000 | |
| Depreciation | 3,100,000 | 2,500,000 | 2,200,000 |
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Machinery and equipment [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Propertyand equipment, gross | 16,628,000 | 14,810,000 | |
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Furniture, fixtures, and computer software [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Propertyand equipment, gross | 1,669,000 | 1,159,000 | |
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Leasehold improvements [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Propertyand equipment, gross | 2,578,000 | 1,926,000 | |
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Construction in progress [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Propertyand equipment, gross | $ 831,000 | $ 909,000 | |
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Minimum [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Useful life | 3 years | ||
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Maximum [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Useful life | 5 years | ||