Available for Sale Securities - Estimated Fair Value of Available for Sale Securities by Contractual Maturity (Details) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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Investments Debt And Equity Securities [Abstract] | ||
Due in one year or less | $ 36,283,628us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent | |
Due after one year | 39,854,406us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent | |
Total available for sale securities | $ 76,138,034us-gaap_AvailableForSaleSecurities | $ 11,341,241us-gaap_AvailableForSaleSecurities |
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- Definition
Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of investments in debt securities classified as available-for-sale, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total of debt securities categorized neither as held-to-maturity nor trading which are intended be sold or mature more than one year from the balance sheet date or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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