Cash, Cash Equivalents and Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2014

Investments in Money Market Funds and Marketable Securities

Investments in money market funds and marketable securities consisted of the following at June 30, 2014:


	June 30, 2014
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Marketable securities:
U.S. Government and agency securities	$	7,286,273	$	2,220	$	(119	)	$	7,288,374
Corporate and other debt securities		8,980,820		2,053		(730	)		8,982,143

		16,267,093		4,273		(849	)		16,270,517
Long-term marketable securities:
U.S. Government and agency securities		7,365,077		3,144		(888	)		7,367,333
Corporate and other debt securities		4,529,989		1,847		(2,220	)		4,529,616

		11,895,066		4,991		(3,108	)		11,896,949

Total	$	28,162,159	$	9,264	$	(3,957	)	$	28,167,466

Investments in money market funds and marketable securities consisted of the following at December 31, 2013:


	December 31, 2013
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Marketable securities:
U.S. Government and agency securities	$	8,165,464	$	435	$	(630	)	$	8,165,269
Corporate and other debt securities		13,626,690		3,636		(2,045	)		13,628,281

		21,792,154		4,071		(2,675	)		21,793,550
Long-term marketable securities:
U.S. Government and agency securities		11,599,415		466		(7,034	)		11,592,847
Corporate and other debt securities		625,882		100		(227	)		625,755

		12,225,297		566		(7,261	)		12,218,602

Total	$	34,017,451	$	4,637	$	(9,936	)	$	34,012,152

Contractual Maturities of Money Market Funds and Marketable Securities

The contractual maturities of money market funds and marketable securities at June 30, 2014 were as follows:


	Amortized Cost		Fair Value
Due in 1 year or less	$	16,267,093	$	16,270,517
Due in 1 to 2 years		11,895,066		11,896,949

	$	28,162,159	$	28,167,466

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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