Goodwill And Intangible Assets (Changes Intangible Assets) (Details) (USD $) | 3 Months Ended | 9 Months Ended |
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 |
Finite-lived Intangible Assets [Roll Forward] | ' | ' | ' | ' |
Finite-lived intangible assets, beginning of year | ' | ' | $10,822,000 | ' |
Finite-lived intangible assets, Additions | ' | ' | 0 | ' |
Finite-lived intangible assets, Other Net Adjustments | ' | ' | 28,000 | ' |
Finite-lived intangible assets, end of year | 10,850,000 | ' | 10,850,000 | ' |
Intangible assets accumulated amortization, beginning of year | ' | ' | -858,000 | ' |
Less accumulated amortization, Additions | ' | ' | -1,050,000 | ' |
Less accumulated amortization, Other Net Adjustments | ' | ' | -15,000 | ' |
Intangible assets accumulated amortization, end of year | -1,923,000 | ' | -1,923,000 | ' |
Total intangible assets, net, beginning of year | ' | ' | 9,964,000 | ' |
Total intangible assets, Additions/Amortization | ' | ' | -1,050,000 | ' |
Total intangible assets, Other Net Adjustments | ' | ' | 13,000 | ' |
Total intangible assets, net, end of year | 8,927,000 | ' | 8,927,000 | ' |
Amortization expense | 158,000 | 284,000 | 471,000 | 795,000 |
Cost Of Product Revenues | ' | ' | ' | ' |
Finite-lived Intangible Assets [Roll Forward] | ' | ' | ' | ' |
Amortization expense | 194,000 | 269,000 | 580,000 | 805,000 |
Customer Relationships | ' | ' | ' | ' |
Finite-Lived Intangible Assets [Line Items] | ' | ' | ' | ' |
Finite-lived intangible asset, Useful Life | ' | ' | '10 years | ' |
Finite-lived Intangible Assets [Roll Forward] | ' | ' | ' | ' |
Finite-lived intangible assets, beginning of year | ' | ' | 2,982,000 | ' |
Finite-lived intangible assets, Additions | ' | ' | 0 | ' |
Finite-lived intangible assets, Other Net Adjustments | ' | ' | 0 | ' |
Finite-lived intangible assets, end of year | 2,982,000 | ' | 2,982,000 | ' |
Developed Technology | ' | ' | ' | ' |
Finite-Lived Intangible Assets [Line Items] | ' | ' | ' | ' |
Finite-lived intangible asset, Useful Life | ' | ' | '6 years | ' |
Finite-lived Intangible Assets [Roll Forward] | ' | ' | ' | ' |
Finite-lived intangible assets, beginning of year | ' | ' | 3,357,000 | ' |
Finite-lived intangible assets, Additions | ' | ' | 0 | ' |
Finite-lived intangible assets, Other Net Adjustments | ' | ' | 0 | ' |
Finite-lived intangible assets, end of year | 3,357,000 | ' | 3,357,000 | ' |
In-Process Research And Development | ' | ' | ' | ' |
Finite-Lived Intangible Assets [Line Items] | ' | ' | ' | ' |
Finite-lived intangible asset, Useful Life | ' | ' | '6 years | ' |
Finite-lived Intangible Assets [Roll Forward] | ' | ' | ' | ' |
Finite-lived intangible assets, beginning of year | ' | ' | 1,310,000 | ' |
Finite-lived intangible assets, Additions | ' | ' | 0 | ' |
Finite-lived intangible assets, Other Net Adjustments | ' | ' | 0 | ' |
Finite-lived intangible assets, end of year | 1,310,000 | ' | 1,310,000 | ' |
Trademarks And Trade Names | ' | ' | ' | ' |
Finite-Lived Intangible Assets [Line Items] | ' | ' | ' | ' |
Finite-lived intangible asset, Useful Life | ' | ' | '15 years | ' |
Finite-lived Intangible Assets [Roll Forward] | ' | ' | ' | ' |
Finite-lived intangible assets, beginning of year | ' | ' | 2,122,000 | ' |
Finite-lived intangible assets, Additions | ' | ' | 0 | ' |
Finite-lived intangible assets, Other Net Adjustments | ' | ' | 0 | ' |
Finite-lived intangible assets, end of year | 2,122,000 | ' | 2,122,000 | ' |
Software Related To Joint Venture Entity | ' | ' | ' | ' |
Finite-Lived Intangible Assets [Line Items] | ' | ' | ' | ' |
Finite-lived intangible asset, Useful Life | ' | ' | '5 years | ' |
Finite-lived Intangible Assets [Roll Forward] | ' | ' | ' | ' |
Finite-lived intangible assets, beginning of year | ' | ' | 1,051,000 | ' |
Finite-lived intangible assets, Additions | ' | ' | 0 | ' |
Finite-lived intangible assets, Other Net Adjustments | ' | ' | 28,000 | ' |
Finite-lived intangible assets, end of year | $1,079,000 | ' | $1,079,000 | ' |