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Note 7 - Product Warranty Obligations (Details) - Deferred Product Obligations (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | --- | --- | --- | --- | ---
Product warranty liability |  |  |  |  |  |
Current portion - other accrued liabilities | $ 24,961 |  | $ 26,080 |  |  |
Long-term portion - other long-term liabilities | 7,508 |  | 7,654 |  |  |
Total | 32,469 | 32,171 | 33,734 | 37,592 | 40,156 | 36,112
Deferred revenue related to extended warranty |  |  |  |  |  |
Current portion - other accrued liabilities | 6,377 |  | 3,325 |  |  |
Long-term portion - other long-term liabilities | 19,767 |  | 19,767 |  |  |
Total | $ 26,144 | $ 25,679 | $ 23,092 | $ 20,267 | $ 16,729 | $ 13,473

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