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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) | Redeemable Preferred Stock [Member] | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2009 | $ 10,315 | $ 8,725,127 | $ 80,990,686 | $ 34,365,640 | $ 1,449,030 | $ 125,540,798
Balance (in shares) at Dec. 31, 2009 | 17,192 | 14,541,878 |  |  |  |
Issue of share capital | 3,539 | 5,139 | 117,441 | 0 | 0 | 126,119
Issue of share capital (in shares) | 5,899 | 8,565 |  |  |  |
Conversion of preferred stock | (2,970) | 2,970 | 0 | 0 | 0 | 0
Conversion of preferred stock (in shares) | (4,950) | 4,950 |  |  |  |
Buyback of preferred stock | (814) | 0 | (15,982) | 0 | 0 | (16,796)
Buyback of preferred stock (in shares) | (1,357) | 0 |  |  |  |
Net income | 0 | 0 | 0 | 6,292,025 | 151,137 | 6,443,162
Dividends declared | 0 | 0 | 0 | (4,367,959) | 0 | (4,367,959)
Stock-based compensation | 0 | 0 | 257,799 | 0 | 0 | 257,799
Balance at Dec. 31, 2010 | 10,070 | 8,733,236 | 81,349,944 | 36,289,706 | 1,600,167 | 127,983,123
Balance (in shares) at Dec. 31, 2010 | 16,784 | 14,555,393 |  |  |  |
Issue of share capital | 5,007 | 6,694 | 99,284 | 0 | 0 | 110,985
Issue of share capital (in shares) | 8,345 | 11,158 |  |  |  |
Conversion of preferred stock | (1,287) | 1,287 | 0 | 0 | 0 | 0
Conversion of preferred stock (in shares) | (2,145) | 2,145 |  |  |  |
Buyback of preferred stock | (334) | 0 | (4,665) | 0 | 0 | (4,999)
Buyback of preferred stock (in shares) | (557) | 0 |  |  |  |
Net income | 0 | 0 | 0 | 6,113,218 | 438,762 | 6,551,980
Dividends declared | 0 | 0 | 0 | (4,371,981) | (482,400) | (4,854,381)
Stock-based compensation | 0 | 0 | 494,648 | 0 | 0 | 494,648
Balance at Dec. 31, 2011 | 13,456 | 8,741,217 | 81,939,211 | 38,030,943 | 1,556,529 | 130,281,356
Balance (in shares) at Dec. 31, 2011 | 22,427 | 14,568,696 |  |  |  |
Issue of share capital | 6,850 | 13,013 | 164,391 | 0 | 0 | 184,254
Issue of share capital (in shares) | 11,417 | 21,686 |  |  |  |
Conversion of preferred stock | (1,577) | 1,577 | 0 | 0 | 0 | 0
Conversion of preferred stock (in shares) | (2,629) | 2,629 |  |  |  |
Buyback of preferred stock | (570) | 0 | (7,219) | 0 | 0 | (7,789)
Buyback of preferred stock (in shares) | (950) | 0 |  |  |  |
Net income | 0 | 0 | 0 | 9,315,514 | 308,495 | 9,624,009
Dividends declared | 0 | 0 | 0 | (4,381,278) | (72,000) | (4,453,278)
Capital contribution | 0 | 0 | 0 | 0 | 135,000 | 135,000
Stock-based compensation | 0 | 0 | 371,038 | 0 | 0 | 371,038
Balance at Dec. 31, 2012 | $ 18,159 | $ 8,755,807 | $ 82,467,421 | $ 42,965,179 | $ 1,928,024 | $ 136,134,590
Balance (in shares) at Dec. 31, 2012 | 30,265 | 14,593,011 |  |  |  |

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