CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income/(loss)	$ (843)	$ (7,860)	$ 9,285
Unrealized losses on investments, net	(24)	(87)	0
Tax benefit on unrealized losses on investments, net	9	34	0
Other comprehensive loss, net of tax	(15)	(53)	0
Comprehensive income/(loss)	$ (858)	$ (7,913)	$ 9,285