Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ (793)	$ 67	$ (308)	$ 244
Current period other comprehensive income (loss)	146	179	(339)	2
Balance at end of period	(647)	246	(647)	246
Unrealized Gain (Loss) on Available-for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(19)	(13)	(18)	0
Current period other comprehensive income (loss)	14	3	13	(10)
Balance at end of period	(5)	(10)	(5)	(10)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(774)	80	(290)	244
Current period other comprehensive income (loss)	132	176	(352)	12
Balance at end of period	$ (642)	$ 256	$ (642)	$ 256