Acquisitions (Details Textual) (USD $)	0 Months Ended				1 Months Ended	12 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended					1 Months Ended	12 Months Ended			12 Months Ended							0 Months Ended
	Apr. 15, 2011	Dec. 31, 2013	Dec. 31, 2012	May 01, 2012 Information Horizons Limited [Member]	Jun. 29, 2012 Asentus [Member]	Dec. 31, 2012 Asentus [Member]	Jun. 29, 2012 Asentus [Member] Year One [Member]	Dec. 31, 2012 Rovsing Dynamics [Member]	Sep. 17, 2012 Rovsing Dynamics [Member]	Mar. 31, 2013 Blessing White [Member]	Dec. 31, 2012 Blessing White [Member]	Oct. 02, 2012 Blessing White [Member]	Apr. 15, 2011 Rwd Technologies [Member]	Aug. 01, 2011 Beneast Training Ltd [Member]	Aug. 01, 2011 Van Hee [Member]	May 31, 2013 Prospero [Member]	Dec. 31, 2013 Prospero [Member]	Dec. 31, 2013 Lorien [Member]	Jun. 12, 2013 Lorien [Member]	Dec. 31, 2011 Communication Consulting [Member]	Feb. 01, 2011 Communication Consulting [Member]	Feb. 01, 2011 Intellectual Property [Member]	Jun. 29, 2012 Intellectual Property [Member] Asentus [Member]	Oct. 02, 2012 Intellectual Property [Member] Blessing White [Member]	Apr. 02, 2011 Customer Related Intangiable Asset [Member]	Feb. 01, 2011 Customer Related Intangiable Asset [Member]	Apr. 15, 2011 Customer Related Intangiable Asset [Member] Rwd Technologies [Member]	May 31, 2013 Customer Related Intangiable Asset [Member] Prospero [Member]	Jun. 12, 2013 Customer Related Intangiable Asset [Member] Lorien [Member]	Apr. 15, 2011 Acquired Trade Name [Member]	Oct. 02, 2012 Acquired Trade Name [Member] Blessing White [Member]	Jun. 29, 2012 Customer Relationships [Member] Asentus [Member]	Oct. 02, 2012 Customer Relationships [Member] Blessing White [Member]
Business Acquisition [Line Items]
Business acquisition contingent consideration, other long term liability		$ 1,392,000	$ 544,000
Business Acquisition Purchase Price Allocation And Amortizable Intangible Assets									775,000			3,280,000	3,726,000								390,000	230,000			1,412,000	160,000	2,935,000			791,000
Acquisitions				505,000								90,000											118,000	1,238,000				2,801,000	1,715,000		191,000	325,000	1,761,000
Total purchase price					1,417,000					10,762,000
Business Acquisition Purchase Price Of Acquired Entity Cash Paid																7,046,000			6,734,000
Business Acquisition Additional Contingent Consideration							3,700,000									4,675,000			989,000
Business Acquisition Purchase Consideration At Fair Value							1,600,000
Business Acquisition Contingent Consideration Accounts Payable And Accrued Liability		2,405,000	2,540,000
Payments to Acquire Businesses, Gross					1,100,000	1,417,000		720,000			10,529,000						7,028,000	6,734,000		1,505,000							27,980,000
Finite-Lived Intangible Asset, Useful Life	5 years 10 months 24 days
Business Acquisition Purchase Price Allocation On Intangible Assets														2,706,000	770,000
Payment To Proceeds From Sellers For Working Capital Adjustment Pursuant To Purchase Agreement						$ 317,000				$ 233,000						$ 18,000											$ (2,220,000)