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Investments (Tables)

12 Months Ended

Dec. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Summary of investments

The following is a summary of short-tem investments as of December 31, 2013 and 2012:

			As of December 31, 2013
	Contractual Maturity (in years)		Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Market Value
Mutual funds	---		$	18,178,518			$	—			$	(78,614	)		$	18,099,904
Municipal bonds	Less than 1		805,144				560				—				805,704
Total investments			$	18,983,662			$	560			$	(78,614	)		$	18,905,608

			As of December 31, 2012
	Contractual Maturity (in years)		Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Market Value
Mutual funds	---		$	7,500,063			$	83,868			$	—			$	7,583,931
Certificates of deposit	Less than 1		250,000				—				—				250,000
Municipal bonds	Less than 1		201,470				—				(1,400		)		200,070
Total investments			$	7,951,533			$	83,868			$	(1,400	)		$	8,034,001

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Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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