Cash, Cash Equivalents, Restricted Cash, and Short-term Investments (Tables)

12 Months Ended

Dec. 31, 2014

Cash and Cash Equivalents [Abstract]

Summary of Cash, Cash Equivalents, Restricted Cash and Short-term Investments

Cash, cash equivalents, restricted cash, and short-term investments consist of the following:

	December 31
	2014		2013
	(In thousands)
Cash	$	1,511	$	930
Money market		33,255		9,084
Total cash and cash equivalents	$	34,766	$	10,014
Corporate bonds	$	—	$	6,191
Total short-term investments	$	—	$	6,191
Total restricted cash	$	250	$	375
Total	$	35,016	$	16,580