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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED BALANCE SHEETS
Accounts receivable trade, allowance	$ 9,505,481	$ 7,956,036
Advances to suppliers, allowance, current	9,458,683	2,930,978
Advances to suppliers, allowance, non-current	$ 28,665,038	$ 16,458,564
Common shares, shares issued (in shares)	43,155,767	42,893,044
Common shares, shares outstanding (in shares)	43,155,767	42,893,044

X

- Definition

A valuation allowance for advances made to suppliers expected to be utilized within twelve months (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

No definition available.

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- Definition

A valuation allowance for advances made to suppliers expected to be utilized after twelve months (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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-Publisher SEC

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-Number 210

-Section 02

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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