Comprehensive Loss (Details) Investment in Unconsolidated Affiliate (USD $)	3 Months Ended		9 Months Ended		3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Other Affiliates	Sep. 30, 2010 Other Affiliates	Dec. 31, 2010 Other Affiliates
Investments In Unconsolidated Affiliate
Ownership percentage in spigit, inc.					32.00%		37.00%
Equity in loss of unconsolidated affiliate	$ (1,576,000)	$ (942,000)	$ (5,293,000)	$ (2,413,000)
Summarized Financial Information
Revenues					6,093,000	3,035,000
Gross profit					3,746,000	2,671,000
Loss from continuing operations and net loss					(18,335,000)	(6,584,000)
Carrying value of equity method investment					$ 0		$ 5,200,000