Ownership Interests and Cost Method Investments (Details Textual) (USD $)	1 Months Ended			3 Months Ended		6 Months Ended				6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended			3 Months Ended	6 Months Ended				6 Months Ended						1 Months Ended	6 Months Ended		3 Months Ended		6 Months Ended					3 Months Ended	6 Months Ended
	Mar. 31, 2012	Nov. 30, 2011	Feb. 17, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 30, 2011	Jun. 30, 2012 Maximum [Member]	Dec. 31, 2011 Maximum [Member]	Jun. 30, 2012 Minimum [Member]	Dec. 31, 2011 Minimum [Member]	Jun. 30, 2012 Acquirgy [Member]	Dec. 31, 2011 Acquirgy [Member]	Jun. 30, 2012 Channel Intelligence [Member]	Jun. 14, 2011 Channel Intelligence [Member]	Dec. 31, 2011 Channel Intelligence [Member]	Jun. 30, 2012 Freeborders [Member]	Dec. 31, 2011 Freeborders [Member]	Jun. 30, 2012 Go Industry [Member]	Dec. 31, 2011 Go Industry [Member]	Jun. 30, 2012 Sea Pass [Member]	Dec. 31, 2011 Sea Pass [Member]	Jun. 30, 2012 White Fence [Member]	Dec. 31, 2011 White Fence [Member]	Feb. 17, 2011 Metastorm [Member]	Jun. 30, 2012 Metastorm [Member]	Jun. 30, 2011 Metastorm [Member]	Jun. 30, 2012 Star Cite [Member]	Dec. 31, 2011 Star Cite [Member]	Jun. 30, 2012 Star Cite [Member]	Apr. 05, 2012 Star Cite [Member]	Dec. 30, 2011 Star Cite [Member]	Jun. 30, 2012 Anthem [Member]	Jun. 30, 2012 Intercontinental Exchange [Member]	Jun. 30, 2011 Click Equations [Member]	Jun. 14, 2011 Click Equations [Member]	Jun. 30, 2011 Click Equations [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage				38.00%		38.00%				50.00%		20.00%		(25.00%)	(25.00%)	(49.00%)		(49.00%)	(31.00%)	(31.00%)	(26.00%)	(26.00%)	(38.00%)	(26.00%)	(36.00%)	(36.00%)									9.00%
Amortized Period						5 years				7 years	7 years	3 years	3 years
Acquired preferred stock																							$ 9,000,000
Sale Proceeds																					2,900,000						53,000,000					15,700,000
Gain or Loss on sale																												208,000	24,853,000								(803,000)	800,000	(803,000)
Equity method cash																																		15,800,000
Common stock																																		668,755
Common stock valued																														0		0		9,100,000
Closing price of stock																																		$ 13.60
Additionally shares of stock consideration																																		52,893
Other receivables								22,679,000																							22,679,000
Active common stock valued																															7,000,000
Cash consideration									100,000
Expected gain on disposition						(1,000)	2,000														2,900,000
Dilution gain on equity method companies (Note 5)					473,000		473,000
Loss on sale																	500,000
Date, loan issued																	Jun. 14, 2011
Procurian term loan				25,000,000		25,000,000											1,000,000
Extended date of mature, before																	Jun. 14, 2014
Payment terms																	Requires quarterly principal and interest payments beginning in the three-month period ended June 30, 2012
Annual interest rate																15.00%
Additional borrowing entitled				12,000,000		12,000,000											1,500,000
Common stock remaining in escrow				97,100		97,100																														13,069
Active Common Stock Remaining				1,500,000		1,500,000																														1,800,000
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
Ownership Interests and Cost Method Investments (Textual) [Abstract]
Net Asset of equity method				33,500,000		33,500,000		28,400,000
Net Asset Allocated of equity method Goodwill				28,000,000		28,000,000		24,600,000
Allocated of equity method Intangible				5,500,000		5,500,000		3,800,000
Previous ownership percent				26.00%		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
Carrying value of its holdings in cost method				11,300,000		11,300,000		10,800,000
Ongoing indemnity claims				$ 800,000		$ 800,000