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Consolidated Statements of Shareholders' Equity (USD $) | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2011 | $ 50,549,660 | $ 383,744 | $ 105,050,433 | $ (54,858,831) | $ (160,025) | $ 134,339
Beginning balance, Shares at Dec. 31, 2011 |  | 38,362,727 |  |  |  |
Comprehensive income (loss) |  |  |  |  |  |
Net income (loss) | 908,837 |  |  | 908,837 |  |
Unrealized holding gain (loss) on available for sale securities, net of taxes | (562,237) |  |  |  |  | (562,237)
Total comprehensive income (loss) | 346,600 |  |  |  |  |
Share-based compensation expense | 236,138 |  | 236,138 |  |  |
Issuance of restricted stock |  | 1,043 | (1,043) |  |  |
Issuance of restricted stock, Shares |  | 104,346 |  |  |  |
Ending balance at Sep. 30, 2012 | 51,132,398 | 384,787 | 105,285,528 | (53,949,994) | (160,025) | (427,898)
Ending balance, Shares at Sep. 30, 2012 |  | 38,467,073 |  |  |  |
Beginning balance at Dec. 31, 2012 | 49,567,798 | 384,918 | 105,355,680 | (55,394,995) | (160,025) | (617,780)
Beginning balance, Shares at Dec. 31, 2012 |  | 38,480,114 |  |  |  |
Comprehensive income (loss) |  |  |  |  |  |
Net income (loss) | (8,238,746) |  |  | (8,238,746) |  |
Unrealized holding gain (loss) on available for sale securities, net of taxes | (838,567) |  |  |  |  | (838,567)
Total comprehensive income (loss) | (9,077,313) |  |  |  |  |
Share-based compensation expense | 70,541 |  | 70,541 |  |  |
Net issuance of restricted stock |  | 1,891 | (1,891) |  |  |
Net issuance of restricted stock, Shares |  | 189,092 |  |  |  |
Ending balance at Sep. 30, 2013 | $ 40,561,026 | $ 386,809 | $ 105,424,330 | $ (63,633,741) | $ (160,025) | $ (1,456,347)
Ending balance, Shares at Sep. 30, 2013 |  | 38,669,206 |  |  |  |

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