Reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows
Unrecognized tax benefits balance at beginning of year	$ 1,579,000	$ 2,046,000	$ 17,893,000
Reductions for tax positions of prior years	(471,000)	(503,000)	(15,875,000)
Currency Translation	(75,000)	36,000	28,000
Unrecognized tax benefits balance at end of year	$ 1,033,000	$ 1,579,000	$ 2,046,000