Marketable Securities

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

Marketable Securities

The Company’s marketable securities consist of available-for-sale securities, which are carried at fair value, with unrealized gains and losses reported as a separate component of stockholders’ equity. Unrealized gains and losses are computed on the specific identification method. Realized gains, realized losses and declines in value judged to be other-than-temporary, are included in interest and other income (loss), net. The cost of available-for-sale securities sold is based on the specific identification method and interest earned is included in interest and other income.

The cost and fair values of the Company’s available-for-sale marketable securities as of June 30, 2015, are as follows: 

	Aggregate Fair Value		Cost or Amortized Cost		Net Unrealized Gains/(losses)
Government securities	$	7,024,178	$	7,019,981	$	4,197
Corporate debt securities	3,499,643		3,500,572		(929		)
Marketable Securities	$	10,523,821	$	10,520,553	$	3,268

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

	Aggregate Fair Value		Cost or Amortized Cost		Net Unrealized Losses
Government securities	$	6,740,825	$	6,741,466	$	(641	)
Corporate debt securities	4,159,897		4,160,664		(767		)
Marketable Securities	$	10,900,722	$	10,902,130	$	(1,408	)