GEOGRAPHIC INFORMATION - Long lived assets by region (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Long Lived Assets:
Long lived assets	$ 43,058	$ 43,807
North America
Long Lived Assets:
Long lived assets	40,410	40,965
Foreign
Long Lived Assets:
Long lived assets	$ 2,648	$ 2,842