Fair Value Measurement Schedule Of Carrying Value And Fair Value Of Financial Assets Disclosed (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	$ 15,639,072	$ 15,826,515
Cost-basis investments	0	0
Accrued dividends and interest	1,313,255	1,063,837
Total Financial Assets	16,952,327	16,890,352
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 Financial Assets	0	0
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	0	0
Cost-basis investments	2,881,597	2,675,817
Accrued dividends and interest	0	0
Total Financial Assets	2,881,597	2,675,817
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	15,639,072	15,826,515
Cost-basis investments	2,502,468	2,516,608
Accrued dividends and interest	1,313,255	1,063,837
Total Financial Assets	19,454,795	19,406,960
Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	15,639,072	15,826,515
Cost-basis investments	2,881,597	2,675,817
Accrued dividends and interest	1,313,255	1,063,837
Total Financial Assets	$ 19,833,924	$ 19,566,169

Accrued dividends and interest, Estimated fair value

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

+ Details

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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

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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

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