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|                                                 |   | Three months ended December 31, |        |   | Year ended December 31, |   |
|------------------------------------------------------|--------|---------------------------------|-------------|--------|-------------------------|--------|
|                                                 |   | 2010                            |        |   | 2009                    |   |   | 2008 |   |   | 2010 |   |   | 2008 |   |   | 2007 |   |
| Basic Earnings Per Share                             |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                 |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income (loss) applicable                         |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |
|      to common shareholders |   | $                               | 1,616,455   |   |                    | $      | (661,029 | ) |   | $ | (518,670 | ) |   | $ | 411,304 |   |   | $ | (2,152,605 | ) |   | $ | (2,685,867 | ) |
|                                                 |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Weighted average number                              |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|     of common shares             |   |                            | 109,738,048 |   |                    |   | 107,473,133 |   |   |   | 107,372,191 |   |   |   | 108,835,772 |   |   |   | 107,427,877 |   |   |   | 107,292,686 |   |
|                                                 |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income (loss) per                                |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|     per share                    |   | $                               | 0.01        |   |                    | $      | (0.01 | ) |   | $ | (0.01 | ) |   | $ | 0.00 |   |   | $ | (0.02 | ) |   | $ | (0.03 | ) |
|                                                 |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fully Diluted Earnings Per Share                     |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                 |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income (loss) applicable                         |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|      to common shareholders |   | $                               | 1,616,455   |   |                    |   | (1 | ) |   |   | (1 | ) |   | $ | 411,304 |   |   |   | (1 | ) |   |   | (1 | ) |
|                                                 |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Weighted average number                              |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|     of common shares             |   |                            | 110,472,929 |   |                    |   | (1 | ) |   |   | (1 | ) |   |   | 109,069,525 |   |   |   | (1 | ) |   |   | (1 | ) |
|                                                 |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income (loss) per                                |   |                            |        |   |                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|     per share                    |   | $                               | 0.01        |   |                    |   | (1 | ) |   |   | (1 | ) |   | $ | 0.00 |   |   |   | (1 | ) |   |   | (1 | ) |

| (1)   | No computation of diluted loss per common share is included for the any periods with losses because such computation results in an antidilutive loss per common share. |
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