Investments (Narrative) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jul. 22, 2013 Subsequent Event [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities at fair value	$ 22,137,134	$ 24,761,746
Available-for-sale securities at cost	$ 2,618,904	$ 2,618,904
Decline of temporary impairment			9.50%

Equity securities categorized neither as held-to-maturity nor trading which are intended be sold more than one year from the balance sheet date or operating cycle, if longer.

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-Name Emerging Issues Task Force (EITF)

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+ Details