Goodwill And Intangible Assets (Future Amortization Expense) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
2013 (from Apr 1 to Dec 31)	$ 60
2014	80
2015	80
2016	80
2017	80
Patent [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
2013 (from Apr 1 to Dec 31)	32
2014	43
2015	43
2016	43
2017	43
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
2013 (from Apr 1 to Dec 31)	3
2014	5
2015	5
2016	5
2017	5
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
2013 (from Apr 1 to Dec 31)	7
2014	9
2015	9
2016	9
2017	9
Customer List [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
2013 (from Apr 1 to Dec 31)	18
2014	23
2015	23
2016	23
2017	$ 23

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Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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