Goodwill And Intangible Assets Changes in Goodwill (Details) (USD $)	9 Months Ended	12 Months Ended	3 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 29, 2012 Enterprise Content Distribution Software	Oct. 10, 2011 Enterprise Content Distribution Software
Goodwill [Roll Forward]
Goodwill, beginning of year	$ 22,218,000			$ 22,200,000
Cumulative Impairment Losses, beginning of year	(22,218,000)	(22,218,000)	(22,200,000)
Cumulative Impairment Losses, end of year	(22,218,000)	(22,218,000)	(22,200,000)
Goodwill, end of year	22,218,000	22,218,000		22,200,000
Intangible assets, net	8,927,000	9,964,000		18,900,000
Intangible asset impairment charge			$ 7,300,000