Ownership Interests and Cost Method Investments (Details Textual) (USD $)	1 Months Ended			3 Months Ended	9 Months Ended				9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended			1 Months Ended								3 Months Ended	9 Months Ended		1 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended					1 Months Ended	9 Months Ended
	Mar. 31, 2012	Nov. 30, 2011	Feb. 17, 2011	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Dec. 30, 2011	Sep. 30, 2012 Maximum [Member]	Dec. 31, 2011 Maximum [Member]	Sep. 30, 2012 Minimum [Member]	Dec. 31, 2011 Minimum [Member]	Sep. 30, 2012 Acquirgy [Member]	Dec. 31, 2011 Acquirgy [Member]	Jun. 30, 2011 Channel Intelligence [Member]	Dec. 31, 2011 Channel Intelligence [Member]	Sep. 30, 2012 Freeborders [Member]	Dec. 31, 2011 Freeborders [Member]	Sep. 30, 2012 Sea Pass [Member]	Dec. 31, 2011 Sea Pass [Member]	Sep. 30, 2012 White Fence [Member]	Dec. 31, 2011 White Fence [Member]	Sep. 30, 2012 Go Industry [Member]	Sep. 30, 2012 Go Industry [Member]	Dec. 31, 2011 Go Industry [Member]	Feb. 17, 2011 Metastorm [Member]	Sep. 30, 2012 Metastorm [Member]	Sep. 30, 2011 Metastorm [Member]	Dec. 31, 2011 Star Cite [Member]	Sep. 30, 2012 Star Cite [Member]	Apr. 05, 2012 Star Cite [Member]	Dec. 30, 2011 Star Cite [Member]	Sep. 30, 2012 Anthem [Member]	Sep. 30, 2012 Intercontinental Exchange [Member]	Jun. 30, 2011 Click Equations [Member]	Sep. 30, 2011 Click Equations [Member]
Ownership Interests and Cost Method Investments (Additional Textual) [Abstract]
Carrying value of its holdings in cost method					$ 11,300,000		$ 10,800,000																										$ 0
Sale Proceeds																							2,900,000			53,000,000				15,700,000
Equity Method Investment, Ownership Percentage					38.00%				50.00%		20.00%		(25.00%)	(25.00%)		(49.00%)	(31.00%)	(31.00%)	(38.00%)	(26.00%)	(36.00%)	(36.00%)			(26.00%)								9.00%
Amortized Period					5 years				7 years	7 years	3 years	3 years
Carrying value of transaction costs					0
Acquired preferred stock																			9,000,000
Gain or Loss on sale																							2,908,000	2,900,000			208,000	24,853,000							800,000	(803,000)
Equity method cash																																15,800,000
Common Stock																																615,862
Common stock valued																														1,200,000
Active Common Stock																														95,277
Common stock valued																																8,400,000
Closing price of stock																																$ 13.60
Other receivables							22,679,000																						22,679,000
Active common stock valued																													7,000,000
Cash consideration								100,000
Dilution gain on equity method companies (Note 5)				23,000		496,000
Loss on sale															500,000
Procurian term loan					25,000,000
Additional borrowing entitled					12,000,000
Common stock remaining in escrow					0																													95,277
Active Common Stock Remaining					1,200,000
Unregistered shares of Active common stock																														447,057
Average price per shares of Active common stock																															$ 16.88
Value of unregistered shares of Active common stock																													7,500,000
Active Common Stock																														513,663
Ownership Interests and Cost Method Investments (Textual) [Abstract]
Net Asset of equity method					27,800,000		28,400,000
Net Asset Allocated of equity method Goodwill					24,500,000		24,600,000
Allocated of equity method Intangible					3,300,000		3,800,000
Previous ownership percent					26.00%
Sale Proceeds Received			51,300,000
Escrowed proceeds received	200,000	1,100,000
Shares of stock consideration								102,199
Profit recognized on sale of securities					1,400,000
Ongoing indemnity claims					$ 800,000