Cash, Cash Equivalents and Investments

6 Months Ended

Jun. 30, 2017

Cash And Cash Equivalents [Abstract]

Cash, Cash Equivalents and Investments

3. Cash, Cash Equivalents and Investments

Cash, cash equivalents and short-term investments consisted of the following (in thousands):

	June 30, 2017		December 31, 2016
Cash	$	5,039	$	11,016
Cash equivalents:
Money market funds		181		2,796
Corporate commercial paper		3,498		500
Corporate debt securities		750		-
Total cash equivalents		4,429		3,296
Total cash and cash equivalents		9,468		14,312
Short-term investments:
Corporate commercial paper		10,895		11,465
Corporate debt securities		6,933		7,423
Total short-term investments		17,828		18,888
Total cash, cash equivalents and short-term investments	$	27,296	$	33,200

Gross unrealized gains and losses on our short-term investments were not material as of June 30, 2017 and December 31, 2016.