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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) | Total | Equity (Deficits) Attribute to Canadian Solar Inc. | Common Shares | Additional Paid-in Capital | Retained Earnings (Accumulated Deficit) | Accumulated Other Comprehensive Income | Non-Controlling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2009 | $ 466,001,404 | $ 465,716,624 | $ 500,322,431 | $ (61,268,954) | $ 11,541,848 | $ 15,121,299 | $ 284,780
Balance (in shares) at Dec. 31, 2009 |  |  | 42,774,485 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income (loss) | 50,828,396 | 50,568,919 |  |  | 50,568,919 |  | 259,477
Foreign currency translation adjustment | 13,309,318 | 13,340,645 |  |  |  | 13,340,645 | (31,327)
Share-based compensation | 3,876,671 | 3,876,671 |  | 3,876,671 |  |  |
Exercise of share options | 823,560 | 823,560 | 823,560 |  |  |  |
Exercise of share options (in shares) |  |  | 118,559 |  |  |  |
Sales of subsidiary shares to non-controlling interest | 145,128 |  |  |  |  |  | 145,128
Balance at Dec. 31, 2010 | 534,984,477 | 534,326,419 | 501,145,991 | (57,392,283) | 62,110,767 | 28,461,944 | 658,058
Balance (in shares) at Dec. 31, 2010 |  |  | 42,893,044 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income (loss) | (90,903,374) | (90,804,200) |  |  | (90,804,200) |  | (99,174)
Foreign currency translation adjustment | 17,111,083 | 17,093,766 |  |  |  | 17,093,766 | 17,317
Share-based compensation | 4,060,838 | 4,060,838 |  | 4,060,838 |  |  |
Exercise of share options | 1,256,948 | 1,256,948 | 1,256,948 |  |  |  |
Exercise of share options (in shares) |  |  | 262,723 |  |  |  |
Paid-in capital from non-controlling interest | 467,720 |  |  |  |  |  | 467,720
Balance at Dec. 31, 2011 | 466,977,692 | 465,933,771 | 502,402,939 | (53,331,445) | (28,693,433) | 45,555,710 | 1,043,921
Balance (in shares) at Dec. 31, 2011 | 43,155,767 |  | 43,155,767 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income (loss) | (195,155,097) | (195,468,691) |  |  | (195,468,691) |  | 313,594
Foreign currency translation adjustment | 5,505,067 | 5,239,819 |  |  |  | 5,239,819 | 265,248
Acquisition of subsidiaries | 4,635,298 |  |  |  |  |  | 4,635,298
Issuance of warrant | 9,849,928 | 9,849,928 |  | 9,849,928 |  |  |
Share-based compensation | 5,185,242 | 5,185,242 |  | 5,185,242 |  |  |
Exercise of share options | 158,766 | 158,766 | 158,766 |  |  |  |
Exercise of share options (in shares) |  |  | 86,659 |  |  |  |
Paid-in capital from non-controlling interest | 4,426,535 |  |  |  |  |  | 4,426,535
Balance at Dec. 31, 2012 | $ 301,583,431 | $ 290,898,835 | $ 502,561,705 | $ (38,296,275) | $ (224,162,124) | $ 50,795,529 | $ 10,684,596
Balance (in shares) at Dec. 31, 2012 | 43,242,426 |  | 43,242,426 |  |  |  |

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