Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 2,284	$ (5,031)
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	64	0
Foreign currency translation adjustments	27	(63)
Comprehensive income (loss)	$ 2,375	$ (5,094)