Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2011 Flow Traffic Ltd [Member]	Jun. 30, 2012 CitySync [Member]
Goodwill impairment charges	$ 3,175	$ 11,685	$ 11,700	$ 3,200