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Assets Manufactured for Internal Use | 12 Months Ended
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Dec. 31, 2012
Assets Manufactured for Internal Use |
Assets Manufactured for Internal Use | Note 8. Assets Manufactured for Internal Use The components of assets manufactured for internal use, included in amounts reported as other assets, are as follows:
|  | December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |
|  | (in thousands) |
Internal use assets |  | $ | 21,904 |  | $ | 27,503 |
Construction in progress |  |  | 1,823 |  |  | — |
Total cost |  |  | 23,727 |  |  | 27,503 |
Accumulated depreciation |  |  | (13,948 | ) |  | (10,526 | )
|  | $ | 9,779 |  | $ | 16,977 |
These products are used in-house for research and development, training, and customer demonstration purposes. Costs are generally depreciated to expense over five years. Depreciation expense was $3.4 million, $4.9 million, and $3.3 million, for the years ended December 31, 2012, 2011, and 2010, respectively.

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- Definition The entire disclosure of assets manufactured for internal use. This includes details regarding cost, accumulated depreciation and uses of the assets. + References No definition available. + Details
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