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ACCRUED WARRANTY COSTS | 12 Months Ended
--- | ---
Dec. 31, 2011
ACCRUED WARRANTY COSTS |
ACCRUED WARRANTY COSTS |
12. ACCRUED WARRANTY COSTS The Company's warranty activity is summarized below:
|  | 2009 |  | 2010 |  | 2011 |
--- | --- | --- | --- | --- | --- | --- | ---
|  | $ |  | $ |  | $ |
Beginning balance |  |  | 10,846,719 |  |  | 16,899,522 |  |  | 31,224,906 |
Warranty provision |  |  | 6,199,240 |  |  | 14,707,513 |  |  | 18,347,272 |
Warranty costs incurred |  |  | (146,437 | ) |  | (382,129 | ) |  | (2,550,826 | )
Ending balance |  |  | 16,899,522 |  |  | 31,224,906 |  |  | 47,021,352 |

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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 14 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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
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