Cash and cash equivalents and marketable securities

12 Months Ended

Dec. 31, 2015

Cash and cash equivalents and marketable securities

4. Cash and cash equivalents and marketable securities

Cash and cash equivalents, and marketable securities consisted of the following:

	December 31,
	2015		2014
Cash and cash equivalents:
Cash	$	12,488	$	3,247
Money market accounts		2,230		5,602

Total cash and cash equivalents	$	14,718	$	8,849


Short-term marketable securities:
Marketable securities	$	—	$	1,614

Total short-term marketable securities	$	—	$	1,614

All contractual maturities of marketable securities were less than one year at December 31, 2014. These consist primarily of corporate securities which include commercial paper and corporate debt instruments including notes issued by foreign or domestic corporations which pay in U.S. dollars and carry a rating of A or better.

For the years ended December 31, 2015, 2014 and 2013, interest income was $66, $114 and $181, respectively, which is included in interest and other (expense) income, net in the accompanying consolidated statements of operations.