XML 67 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Guarantees (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Guarantees [Abstract] |
Change in warranty accrual | The following table reflects the change in our warranty accrual included in "accrued liabilities" during 2012 and 2011 (in thousands):
|  | Years Ended December 31, |
|  | 2012 |  |  | 2011 |
Beginning accrued warranty and related costs |  | $ | 1,003 |  |  | $ | 740 |
Accruals for warranties issued during the year |  |  | 362 |  |  |  | 749 |
Adjustments related to pre-existing warranties including expirations and changes in estimates |  |  | (450 | ) |  |  | 196 |
Cost of warranty repair |  |  | (327 | ) |  |  | (682 | )
Ending accrued warranty and related costs |  | $ | 588 |  |  | $ | 1,003 |

X
- Details
Name: | us-gaap_GuaranteesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
Name: | us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration