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COMMITMENTS AND CONTINGENCIES (Details 2) |  |  | 12 Months Ended | 0 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended |  |
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Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2012 Net revenue Geographic concentration America | Dec. 31, 2012 Net revenue Geographic concentration Europe | Jun. 02, 2010 Class Action Lawsuits Filed in New York item | Dec. 31, 2012 Countervailing and anti-dumping duties | Dec. 31, 2011 Purchase commitment Deutsche Solar AG EUR (€) | Dec. 31, 2012 Purchase commitment Deutsche Solar AG USD ($) | Dec. 31, 2011 Purchase commitment Deutsche Solar AG USD ($) | Dec. 31, 2010 Purchase commitment Deutsche Solar AG USD ($) | Dec. 31, 2007 Purchase commitment Deutsche Solar AG | Dec. 31, 2012 Purchase commitment LDK USD ($) | Oct. 31, 2010 Purchase commitment LDK USD ($) | Oct. 31, 2010 Purchase commitment LDK CNY | Apr. 30, 2010 Purchase commitment LDK item | Dec. 31, 2011 Purchase commitment LDK USD ($) | Jul. 31, 2010 Purchase commitment LDK USD ($)
Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of supply agreement |  |  |  |  |  |  |  |  |  |  | 12 years |  |  |  |  |  |
Amount not accrued due to take-or-pay provision of agreement which are void under the German law |  |  |  |  |  |  |  |  |  | $ 21,143,853 |  |  |  |  |  |  |
Amount of loss on firm purchase commitments recorded |  |  |  |  |  |  |  |  | 10,610,419 | 1,562,002 |  |  |  |  |  |  |
Amount of damages that plaintiff can claim |  |  |  |  |  |  | 148,600,000 |  |  |  |  |  |  |  |  |  |
Reclassification of provision for accrued losses on firm purchase commitments reserve to loss contingency accrual |  |  |  |  |  |  |  |  | 27,862,017 |  |  |  |  |  |  |  |
Amount of bad debts allowance against the balance of advance payments |  |  |  |  |  |  |  |  | 17,408,593 |  |  | 9,538,172 |  |  |  | 9,517,110 |
Loss contingency accruals | 28,461,085 | 27,862,017 |  |  |  |  |  |  | 27,862,017 |  |  |  |  |  |  |  |
Number of long-term supply purchase agreements terminated by the Company |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Refund amount of advances asked by the Company under arbitration request |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,517,110
Forfeiture of advance claimed by counterparty |  |  |  |  |  |  |  |  |  |  |  |  | 9,517,110 |  |  |  |
Compensation claimed by counterparty for losses due to the alleged breach of the agreements |  |  |  |  |  |  |  |  |  |  |  |  | 59,832,722 | 377,000,000 |  |  |
Penalty claimed by counterparty |  |  |  |  |  |  |  |  |  |  |  |  | 2,412,354 | 15,200,000 |  |  |
Arbitration expenses claimed by counterparty |  |  |  |  |  |  |  |  |  |  |  |  | 745,925 | 4,700,000 |  |  |
Non-cash provision related to arbitration decision |  |  |  |  |  |  |  |  |  |  |  | $ 30,300,000 |  |  |  |  |
Number of lawsuits filed |  |  |  |  | 6 |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  | 13.94% |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  | 15.24% |  |  |  |  |  |  |  |  |  |  |
Net revenue (as a percent) |  |  | 19.60% | 50.10% |  |  |  |  |  |  |  |  |  |  |  |  |

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