(Long-Lived Assets by Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Schedule of long-lived assets by geographical area
Long-lived assets	$ 24,573		$ 31,821
Americas [Member]
Schedule of long-lived assets by geographical area
Long-lived assets	19,863	[1]	25,953	[1]
Europe [Member]
Schedule of long-lived assets by geographical area
Long-lived assets	4,391	[2]	5,157	[2]
Asia [Member]
Schedule of long-lived assets by geographical area
Long-lived assets	$ 319		$ 711

[1] Primarily United States

[2] Primarily Hungary