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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical) (General and Administrative Expenses [Member], USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
General and Administrative Expenses [Member]
Allocation of Recognized Period Costs [Line Items]
Stock based compensation expense	$ 100,430	$ 131,008

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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