Balance Sheet Account Detail (Goodwill and Intangible Assets) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Goodwill, Finite-lived, and Indefinite-lived Intangible Assets [Line Items]
Goodwill	[1]	$ 28,685	$ 28,866
Intangible assets (excluding goodwill), net		42,118	43,465
Developed technology
Goodwill, Finite-lived, and Indefinite-lived Intangible Assets [Line Items]
Finite lived intangibles	[2]	40,100	40,100
Accumulated amortization		(690)	(285)
Finite lived intangibles, net		39,410	39,815
License
Goodwill, Finite-lived, and Indefinite-lived Intangible Assets [Line Items]
Finite lived intangibles		100	100
Accumulated amortization		(100)	(71)
Finite lived intangibles, net		0	29
Customer relationships
Goodwill, Finite-lived, and Indefinite-lived Intangible Assets [Line Items]
Finite lived intangibles		0	480
Accumulated amortization		0	(400)
Finite lived intangibles, net		0	80
Acquried Shonin approval
Goodwill, Finite-lived, and Indefinite-lived Intangible Assets [Line Items]
Finite lived intangibles	[3]	1,000	1,000
Accumulated amortization		(1,000)	(167)
Finite lived intangibles, net		0	833
Trademarks and trade names
Goodwill, Finite-lived, and Indefinite-lived Intangible Assets [Line Items]
Indefinite lived intangibles		$ 2,708	$ 2,708

[1] Difference in goodwill value between these dates is solely due to a foreign currency translation adjustment.

[2] Was reclassified in the first quarter of 2013 to finite lived intangibles, which coincided with the European commercial launch of the product (Nellix System) associated with this intangible asset. A significant portion of this intangible asset will not begin amortization until the U.S. launch of this product, currently scheduled for 2016.

[3] Regulatory approval for Intuitrak in Japan acquired through an amendment with a distributor in the fourth quarter of 2014.