3. Cash and cash equivalents

Cash and cash equivalents consisted of the following:

	June 30, 2015		December 31, 2014
Cash and cash equivalents:
Cash	$	18,288	$	3,247
Money market accounts	2,230		5,602

Total cash and cash equivalents	$	20,518	$	8,849

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

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

For the six months ended June 30, 2015 and 2014, interest income was $4 and $86, respectively, which is included in interest and other income (expense), net in the accompanying condensed consolidated statements of operations.