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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Computation for earnings per share

		Year Ended December 31,
		2012				2011				2010
Net income		$	16,930,892			$	14,352,968			$	12,402,441
Weighted average number of outstanding shares
Basic			3,111,328				2,951,751				2,766,741
Diluted			3,111,328				2,951,751				2,767,895
Earnings per share
Basic		$	5.44				4.86				4.48
Diluted		$	5.44				4.86				4.48

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Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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