Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule Of Available For Sale Securities

The cost and fair values of the Company’s available-for-sale marketable securities as of March 31, 2014, are as follows: 

	Aggregate Fair Value		Cost or Amortized Cost		Net Unrealized Gains
Government securities	$	7,474,401	$	7,473,328	$	1,073
Corporate debt securities	2,171,533		2,171,011		522
	$	9,645,934	$	9,644,339	$	1,595

The cost and fair values of the Company’s available-for-sale marketable securities as of December 31, 2013, are as follows: 

	Aggregate Fair Value		Cost or Amortized Cost		Net Unrealized Gains
Government securities	$	6,252,339	$	6,249,483	$	2,856
Corporate debt securities	1,820,769		1,820,215		554
	$	8,073,108	$	8,069,698	$	3,410