Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2013

Cash And Cash Equivalents [Abstract]

3. Cash and cash equivalents

The Company considers all highly liquid securities with original final maturities of three months or less from the date of purchase to be cash equivalents. As of December 31, 2013 and 2012, cash and cash equivalents are comprised of funds in cash and money market accounts.

From time to time, the Company invests in marketable securities, which are classified as available-for-sale securities and are stated at fair value as determined by quoted market prices. As of December 31, 2013 and 2012, the Company did not hold any marketable securities.

The following table presents the cash and cash equivalents carried at fair value in accordance with the hierarchy defined in Note 2:


Description	Total		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
December 31, 2013
Total cash and cash equivalents	$	206,279	$	206,279	$	—	$	—

December 31, 2012
Total cash and cash equivalents	$	67,011	$	67,011	$	—	$	—