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Financial Instruments, Off-Balance Sheet Risks and Contingencies (Additional Information) (Details) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Carrying Amounts and Fair Values of Financial Instruments or Liabilities [Line Items] |  |
Cash investments in money market funds | $ 24,000,000 us-gaap_DepositsMoneyMarketDeposits | $ 51,156,064 us-gaap_DepositsMoneyMarketDeposits
Deposits in domestic and foreign financial institutions | $ 29,250,024 us-gaap_Deposits | $ 11,776,288 us-gaap_Deposits

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- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
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- Definition Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Details
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