Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

Jun. 30, 2018

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, 2018		December 31, 2017
Cash	$	7,238	$	6,340
Cash equivalents (see detail in Note 4)		3,000		6,519
Total cash and cash equivalents		10,238		12,859
Short-term investments (see detail in Note 4)		7,623		11,895
Total cash, cash equivalents and short-term investments	$	17,861	$	24,754