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Property and Equipment (Details) (USD $)
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3 Months Ended | 12 Months Ended | ||
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Dec. 31, 2009
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Property, Plant and Equipment [Line Items] | ||||
| Land | $ 695,000 | $ 695,000 | ||
| Building and improvements | 7,763,000 | 7,653,000 | ||
| Engineering and test equipment | 11,021,000 | 9,339,000 | ||
| Computer Equipment And Software Gross | 25,738,000 | 24,089,000 | ||
| Furniture and fixtures | 1,357,000 | 1,202,000 | ||
| Leasehold improvements | 4,530,000 | 4,287,000 | ||
| Property and equipment, gross | 51,104,000 | 47,265,000 | ||
| Less: accumulated depreciation | (43,107,000) | (38,921,000) | ||
| Property and equipment, net | 7,997,000 | 8,344,000 | ||
| Depreciation | 4,200,000 | 4,900,000 | 6,100,000 | |
| Capitalized Computer Software, Amortization | 2,300,000 | 1,200,000 | 1,800,000 | |
| Capitalized Computer Software, Accumulated Amortization | 14,700,000 | 13,400,000 | ||
| Capitalized Computer Software, Net | $ 1,600,000 | $ 1,900,000 | ||
| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date of long lived, depreciable assets that are used in the creation, maintenance and utilization of information systems, capitalized costs of purchased software applications, and capitalized costs of computer equipment and hardware No definition available.
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- Definition
The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross amount, as of the balance sheet date, of long-lived, depreciable assets that include building structures held for productive use including any addition, improvement, or renovation to the structure, such as interior masonry, interior flooring, electrical, and plumbing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross amount, at the balance sheet date, of long-lived, depreciable assets commonly used in offices and stores. Examples include desks, chairs, and store fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount as of the balance sheet date of real estate held for productive use. This excludes land held for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross amount, at the balance sheet date, of long-lived, depreciable assets that are an addition or improvement to assets held under lease arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross amount, as of the balance sheet date, of long-lived, depreciable assets used in the production process to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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