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Fair Value Measurement Schedule Of Carrying Value And Fair Value Of Financial Assets Disclosed (Details) - USD ($) | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash | $ 21,873,731 | $ 21,790,068
Cost-basis investments | 0 | 0
Accrued dividends and interest | 1,320,942 | 1,004,126
Total | 23,194,673 | 22,794,194
Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash | 0 | 0
Cost-basis investments | 0 | 0
Accrued dividends and interest | 0 | 0
Total | 0 | 0
Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash | 0 | 0
Cost-basis investments | 4,135,512 | 3,684,020
Accrued dividends and interest | 0 | 0
Total | 4,135,512 | 3,684,020
Reported Value Measurement [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash | 21,873,731 | 21,790,068
Cost-basis investments | 3,727,074 | 3,588,314
Accrued dividends and interest | 1,320,942 | 1,004,126
Total | 26,921,747 | 26,382,508
Estimate of Fair Value Measurement [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash | 21,873,731 | 21,790,068
Cost-basis investments | 4,135,512 | 3,684,020
Accrued dividends and interest | 1,320,942 | 1,004,126
Total | $ 27,330,185 | $ 26,478,214

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition Fair value portion of investments accounted under the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=29638263&loc=d3e39828-111592 + Details
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