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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Taxes [Line Items] |  |  |
Income tax net operating loss carryforwards | $ 108,547,933 |  |
Carryforward loss from expire | 24,724,748 |  |
Net deferred tax asset | 0 |  |
Federal income tax rate | 34.00% | 34.00% | 34.00%
Tax benefits and (liabilities), prior to any valuation allowances, related to stock option plans | 216,675 | 230,721 |
General duration of carryback period | 2 years |  |
Duration of carryback period to 2003 tax year | 5 years |  |
Cash tax benefit | 0 |  |
Percentage of future alternative minimum taxable income | 100.00% |  |
Original offsetting percentage of future alternative minimum taxable income | 90.00% |  |
Net operating loss carryback period option one | 3 years |  |
Net operating loss carryback period option two | 4 years |  |
Net operating loss carryback period option three | 5 years |  |
2023 Through 2028 [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax net operating loss carryforwards | 43,000,000 |  |
2029 Through 2032 [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax net operating loss carryforwards | $ 65,000,000 |  |
Start [Member] |  |  |
Income Taxes [Line Items] |  |  |
Net operating loss carryforwards expiration year | 2018 |  |
End [Member] |  |  |
Income Taxes [Line Items] |  |  |
Net operating loss carryforwards expiration year | 2032 |  |

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