v2.4.0.8

Warranty Reserve (Tables) | 12 Months Ended
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Dec. 31, 2013
Component of Accrued Warranty Expenses | Set forth in the table below is our accrued warranty expense (in thousands), which is included in accrued liabilities on the consolidated balance sheets:
|  | As of December 31, |
|  | 2013 |  |  | 2012 |
Accrued warranty balance as of January 1, |  | $ | 690 |  |  | $ | 564 |
Warranty costs incurred |  |  | (1,193 | ) |  |  | (1,214 | )
Provision for warranty claims |  |  | 1,240 |  |  |  | 1,340 |
Accrued warranty balance as of December 31, |  | $ | 737 |  |  | $ | 690 |

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- Definition Accrued Warranties And Related Costs Table Disclosure [TextBlock] + References No definition available. + Details
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Namespace Prefix: | crv_
Data Type: | nonnum:textBlockItemType
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Period Type: | duration