Cash, Cash Equivalents and Marketable Securities

9 Months Ended

Sep. 30, 2017

Cash, Cash Equivalents and Marketable Securities

Cash, Cash Equivalents and Marketable Securities

5.Cash, Cash Equivalents and Marketable Securities

A summary of cash, cash equivalents and available-for-sale marketable securities held by the Company as of September 30, 2017 and December 31, 2016 is as follows (in thousands):

	September 30, 2017
			Unrealized		Unrealized		Fair
	Cost		gains		losses		value
Cash and cash equivalents:
Cash (Level 1)	$	1,173	$	—	$	—	$	1,173
Money market funds (Level 1)	11,787		—		—		11,787
Corporate debt securities due within 3 months of date of purchase (Level 2)	—		—		—		—
Total cash and cash equivalents	12,960		—		—		12,960
Marketable securities:
Corporate debt securities due within 1 year of date of purchase (Level 2)	49,130		47		—		49,177
Total cash, cash equivalents and marketable securities	$	62,090	$	47	$	—	$	62,137

	December 31, 2016
			Unrealized		Unrealized		Fair
	Cost		gains		losses		value
Cash and cash equivalents:
Cash (Level 1)	$	5,651	$	—	$	—	$	5,651
Money market funds (Level 1)	13,494		—		—		13,494
Total cash and cash equivalents	19,145		—		—		19,145
Marketable securities:
Corporate debt securities due within 1 year of date of purchase (Level 2)	21,330		25		—		21,355
Total cash, cash equivalents and marketable securities	$	40,475	$	25	$	—	$	40,500