Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2013

Marketable Securities

Schedule of available-for-sale marketable securities and cash and cash equivalents

Available-for-sale marketable securities and cash and cash equivalents consist of the following (in thousands):

	December 31, 2013
	Amortized Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash and cash equivalents:
Cash	$	2,710	$	—	$	—	$	2,710
Money market		9,593		—		—		9,593
Total	$	12,303	$	—	$	—	$	12,303

	December 31, 2012
	Amortized Cost Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash and cash equivalents:
Cash	$	1,134	$	—	$	—	$	1,134
Money market		16,020		—		—		16,020
Domestic corporate commercial paper		1,499		—		—		1,499
Total	$	18,653	$	—	$	—	$	18,653
Marketable securities:
Domestic corporate commercial paper		4,000		—		—		4,000
Total	$	4,000	$	—	$	—	$	4,000