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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) | Total | Redeemable preferred stock | Common stock | Additional paid-in capital | Retained earnings | Non-controlling interest
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2008 | $ 123,550,776 | $ 10,420 | $ 8,717,616 | $ 80,461,942 | $ 32,340,077 | $ 2,020,721
Beginning Balance (in shares) at Dec. 31, 2008 |  | 17,366 | 14,529,360 |  |  |
Issue of share capital (in shares) |  | 5,651 | 6,734 |  |  |
Issue of share capital | 94,135 | 3,390 | 4,041 | 86,704 |  |
Conversion of preferred stock (in shares) |  | (5,784) | 5,784 |  |  |
Conversion of preferred stock |  | (3,470) | 3,470 |  |  |
Buyback of preferred stock (in shares) |  | (41) |  |  |  |
Buyback of preferred stock | (888) | (25) |  | (863) |  |
Net income | 6,599,682 |  |  |  | 6,098,571 | 501,111
Dividends declared | (5,145,810) |  |  |  | (4,073,008) | (1,072,802)
Stock-based compensation | 442,903 |  |  | 442,903 |  |
Ending Balance at Dec. 31, 2009 | 125,540,798 | 10,315 | 8,725,127 | 80,990,686 | 34,365,640 | 1,449,030
Ending Balance (in shares) at Dec. 31, 2009 |  | 17,192 | 14,541,878 |  |  |
Issue of share capital (in shares) |  | 5,899 | 8,565 |  |  |
Issue of share capital | 126,119 | 3,539 | 5,139 | 117,441 |  |
Conversion of preferred stock (in shares) |  | (4,950) | 4,950 |  |  |
Conversion of preferred stock |  | (2,970) | 2,970 |  |  |
Buyback of preferred stock (in shares) |  | (1,357) |  |  |  |
Buyback of preferred stock | (16,796) | (814) |  | (15,982) |  |
Net income | 6,443,162 |  |  |  | 6,292,025 | 151,137
Dividends declared | (4,367,959) |  |  |  | (4,367,959) |
Stock-based compensation | 257,799 |  |  | 257,799 |  |
Ending Balance at Dec. 31, 2010 | 127,983,123 | 10,070 | 8,733,236 | 81,349,944 | 36,289,706 | 1,600,167
Ending Balance (in shares) at Dec. 31, 2010 |  | 16,784 | 14,555,393 |  |  |
Issue of share capital (in shares) |  | 8,345 | 11,158 |  |  |
Issue of share capital | 110,985 | 5,007 | 6,694 | 99,284 |  |
Conversion of preferred stock (in shares) |  | (2,145) | 2,145 |  |  |
Conversion of preferred stock |  | (1,287) | 1,287 |  |  |
Buyback of preferred stock (in shares) |  | (557) |  |  |  |
Buyback of preferred stock | (4,999) | (334) |  | (4,665) |  |
Net income | 6,551,980 |  |  |  | 6,113,218 | 438,762
Dividends declared | (4,854,381) |  |  |  | (4,371,981) | (482,400)
Stock-based compensation | 494,648 |  |  | 494,648 |  |
Ending Balance at Dec. 31, 2011 | $ 130,281,356 | $ 13,456 | $ 8,741,217 | $ 81,939,211 | $ 38,030,943 | $ 1,556,529
Ending Balance (in shares) at Dec. 31, 2011 |  | 22,427 | 14,568,696 |  |  |

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