Fair Value Measurement (Narrative) (Details) (USD $)	Apr. 16, 2013	Mar. 31, 2013	Dec. 31, 2012
Fair Value Measurement [Abstract]
Available-for-sale securities at fair value		$ 24,307,498	$ 24,761,746
Available-for-sale securities at cost		$ 2,618,904	$ 2,618,904
Decline of temporary impairment	(8.00%)

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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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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