| **In-Process Research and Development and Goodwill (Details) (USD $)In Thousands, unless otherwise specified** | 3 Months Ended | 6 Months Ended |        |        |
|----------------------------------------------------------------------------------------------------------------|----------------|----------------|--------|--------|
||
| **Finite-Lived Intangible Assets**                                                                             |           |           |   |   |   |
| Finite-Lived Intangible Assets, Gross                                                                          | $ 21           | $ 21           |   | $ 21   |   |
| Finite-Lived Intangible Assets, Accumulated Amortization                                                       | 4              | 4              |   | 2      |   |
| Finite-Lived Intangible Assets, Net, Total                                                                     | 17             | 17             |   | 19     |   |
| Finite-Lived Intangible Asset, Useful Life                                                                     |           | 5 years        |   |   |   |
| Estimated amortization of intangible assets for succeeding five years                                          |           | 4              |   |   |   |
| Amortization of Intangible Assets                                                                              | 1              | 2              |   |   |   |
| **Goodwill and indefinite lived in-process research and development [Abstract]**                               |           |           |   |   |   |
| Goodwill                                                                                                       | 7,702          | 7,702          | 7,702  | 7,702  | 0 |
| Goodwill, Acquired During Period                                                                               |           | 0              | 7,702  |   |   |
| Intangible Assets Acquired During Period                                                                       |           | 0              | 32,300 |   |   |
| Indefinite-Lived Intangible Assets (Excluding Goodwill)                                                        | 31,360         | 31,360         | 32,300 | 31,360 | 0 |
| Impairment of Intangible Assets (Excluding Goodwill)                                                           |           | $ 0            | $ 0    |   |   |

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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Estimated amortization of intangible assets for succeeding five years
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| - Definition
Intangible Assets Acquired During Period
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
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| - Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
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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.
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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.
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| - Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
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| - Definition
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.
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