Cash Equivalents and Available for Sale Marketable Securities

3 Months Ended

Mar. 31, 2019

Cash and Cash Equivalents [Abstract]

Cash Equivalents and Available for Sale Marketable Securities

5. CASH EQUIVALENTS AND AVAILABLE FOR SALE MARKETABLE SECURITIES

Cash equivalents and available-for-sale marketable securities consisted of the following as of March 31, 2019 and December 31, 2018 (in thousands):

	March 31, 2019
	Amortized Cost		Unrealized Gains		Unrealized Losses		Market Value
Cash equivalents:
Money market funds	$	5	$	–	$	–	$	5
Commercial paper		15,599		19		–		15,618
U.S. government debt securities		4,926		6		–		4,932
Total cash equivalents (1)		20,530		25		–		20,555
Short-term investments:
Commercial paper		1,708		6		–		1,714
Corporate debt securities		7,970		22		–		7,992
Total short-term investments		9,678		28		–		9,706
Total	$	30,208	$	53	$	–	$	30,261

(1) Included in cash and cash equivalents in the Company’s consolidated balance sheet as of March 31, 2019 in addition to $14.4 million of cash.

	December 31, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses			Market Value
Cash equivalents:
Money market funds	$	7	$	–	$	–		$	7
Commercial paper		20,648		30		–			20,678
U.S. government debt securities		3,224		2		–			3,226
Total cash equivalents (1)		23,879		32		–			23,911
Short-term investments:
Commercial paper		714		–		–			714
Corporate debt securities		5,444		5		(1	)		5,448
Total short-term investments		6,158		5		(1	)		6,162
Total	$	30,037	$	37	$	(1	)	$	30,073

(1) Included in cash and cash equivalents in the Company’s consolidated balance sheet as of December 31, 2018 in addition to $31.8 million of cash.

All investments in debt securities held as of March 31, 2019 and December 31, 2018 had maturities of less than one year. For the three months ended March 31, 2019, the Company recognized no material realized gains or losses on available-for-sale marketable securities.