Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

Jun. 30, 2016

Cash And Cash Equivalents [Abstract]

Cash, Cash Equivalents and Short-Term Investments

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

	June 30, 2016		December 31, 2015
Cash	$	8,583	$	7,270
Cash equivalents:
Money market funds		1,536		1,500
Corporate commercial paper		500		5,404
Corporate debt securities		—		2,269
Total cash equivalents		2,036		9,173
Total cash and cash equivalents		10,619		16,443
Short-term investments:
Corporate commercial paper		10,990		6,245
Treasury bonds		—		1,007
Corporate debt securities		5,289		6,028
Total short-term investments		16,279		13,280
Restricted cash equivalents—money market fund		250		250
Total cash, cash equivalents and short-term investments	$	27,148	$	29,973