Intangible Assets and Related Accumulated Amortization (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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|
Intangible Assets And Goodwill [Line Items] | ||
Intangible assets, gross | $ 2,800us-gaap_FiniteLivedIntangibleAssetsGross | $ 2,800us-gaap_FiniteLivedIntangibleAssetsGross |
Intangible assets, accumulated amortization | (2,686)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | (2,617)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Intangible assets, net | 114us-gaap_FiniteLivedIntangibleAssetsNet | 183us-gaap_FiniteLivedIntangibleAssetsNet |
Useful life | Indefinite life | |
Goodwill gross | 2,926us-gaap_GoodwillGross | 2,926us-gaap_GoodwillGross |
Goodwill | 2,926us-gaap_Goodwill | 2,926us-gaap_Goodwill |
Patents | ||
Intangible Assets And Goodwill [Line Items] | ||
Intangible assets, gross |
1,914us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
1,914us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Intangible assets, accumulated amortization |
(1,907)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
(1,895)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Intangible assets, net |
7us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
19us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Patents | Minimum | ||
Intangible Assets And Goodwill [Line Items] | ||
Useful life | 4 years | |
Patents | Maximum | ||
Intangible Assets And Goodwill [Line Items] | ||
Useful life | 10 years | |
Trademarks | ||
Intangible Assets And Goodwill [Line Items] | ||
Useful life | 6 years | |
Intangible assets, gross |
69us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
69us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Intangible assets, accumulated amortization |
(69)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
(69)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Other Intangible Assets | ||
Intangible Assets And Goodwill [Line Items] | ||
Intangible assets, gross |
817us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
817us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Intangible assets, accumulated amortization |
(710)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
(653)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Intangible assets, net |
$ 107us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
$ 164us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Other Intangible Assets | Minimum | ||
Intangible Assets And Goodwill [Line Items] | ||
Useful life | 4 years | |
Other Intangible Assets | Maximum | ||
Intangible Assets And Goodwill [Line Items] | ||
Useful life | 6 years |
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- Definition
Indefinite lived intangible assets useful life. No definition available.
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- Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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