Business Combinations (Details)	12 Months Ended									1 Months Ended		0 Months Ended		1 Months Ended			0 Months Ended				0 Months Ended				0 Months Ended		1 Months Ended	0 Months Ended				1 Months Ended		12 Months Ended			1 Months Ended	12 Months Ended	1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended				0 Months Ended	1 Months Ended	0 Months Ended								1 Months Ended		0 Months Ended	1 Months Ended	0 Months Ended					0 Months Ended		12 Months Ended	0 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2013 Technology	Dec. 31, 2013 Customer relationships	Dec. 31, 2013 Non-compete covenants	Dec. 31, 2013 Tradenames	Jan. 25, 2011 HCL-EMS USD ($)	Dec. 31, 2012 HCL-EMS First year earn-out USD ($)	Aug. 31, 2013 HCL-EMS Second year earn-out USD ($)	Apr. 30, 2013 HCL-EMS Second year earn-out USD ($)	Jan. 25, 2011 HCL-EMS Technology USD ($)	Jan. 25, 2011 HCL-EMS Customer relationships USD ($)	Mar. 31, 2013 Telwares USD ($)	Mar. 16, 2012 Telwares USD ($)	Mar. 16, 2011 Telwares USD ($)	Mar. 16, 2012 Telwares Installment payment due March 16, 2012 USD ($)	Mar. 16, 2011 Telwares Installment payment due March 16, 2012 USD ($)	Mar. 16, 2011 Telwares Installment payment due March 16, 2013 USD ($)	Mar. 16, 2012 Telwares Consideration payable on achievement of revenue targets Maximum USD ($)	Mar. 16, 2011 Telwares Technology USD ($)	Mar. 16, 2011 Telwares Customer relationships USD ($)	Mar. 16, 2011 Telwares Non-compete covenants USD ($)	Dec. 19, 2011 ProfitLine USD ($)	Dec. 19, 2011 ProfitLine Installment payment due December 19, 2012 USD ($)	Dec. 19, 2011 ProfitLine Installment payment due June 19, 2013 USD ($)	Dec. 31, 2012 ProfitLine Installment payment due June 19, 2013 USD ($)	Dec. 19, 2011 ProfitLine Technology USD ($)	Dec. 19, 2011 ProfitLine Customer relationships USD ($)	Dec. 19, 2011 ProfitLine Tradenames USD ($)	Dec. 19, 2011 ProfitLine Unfavorable leasehold interest USD ($)	Mar. 31, 2013 Anomalous	Jan. 31, 2012 Anomalous	Dec. 31, 2013 Anomalous	Dec. 31, 2012 Anomalous	Jan. 10, 2012 Anomalous USD ($)	Jan. 31, 2013 Anomalous Installment payment due first anniversary after closing (January 10, 2013) USD ($)	Dec. 31, 2013 Anomalous Installment payment due first anniversary after closing (January 10, 2013) USD ($)	Jan. 31, 2012 Anomalous Technology	Jan. 10, 2012 Anomalous Technology USD ($)	Jan. 31, 2012 Anomalous Customer relationships	Jan. 10, 2012 Anomalous Customer relationships USD ($)	Jan. 31, 2012 Anomalous Non-compete covenants	Jan. 10, 2012 Anomalous Non-compete covenants USD ($)	Jan. 31, 2012 Anomalous Tradenames	Jan. 10, 2012 Anomalous Tradenames USD ($)	Feb. 21, 2012 ttMobiles USD ($)	Feb. 21, 2012 ttMobiles GBP (£)	Feb. 21, 2013 ttMobiles Installment payment due February 21, 2013 GBP (£)	Feb. 28, 2013 ttMobiles Installment payment due February 21, 2013 GBP (£)	Feb. 21, 2012 ttMobiles Technology USD ($)	Feb. 21, 2012 ttMobiles Customer relationships USD ($)	Feb. 21, 2012 ttMobiles Non-compete covenants USD ($)	Feb. 21, 2012 ttMobiles Tradenames USD ($)	Dec. 31, 2013 Symphony USD ($)	Aug. 08, 2012 Symphony USD ($)	Dec. 31, 2013 Symphony Minimum USD ($)	Dec. 31, 2013 Symphony Consideration payable on achievement of revenue targets USD ($)	Feb. 28, 2013 Symphony Cash payable on the six-month anniversary of the closing USD ($)	Dec. 31, 2013 Symphony Cash payable on the six-month anniversary of the closing USD ($)	Aug. 08, 2013 Symphony Installment payment due August 08, 2013 USD ($)	Oct. 31, 2013 Symphony Installment payment due August 08, 2013 USD ($)	Aug. 08, 2012 Symphony Technology USD ($)	Aug. 08, 2012 Symphony Customer relationships USD ($)	Aug. 08, 2012 Symphony Tradenames USD ($)	Apr. 18, 2013 oneTEM USD ($) item	Apr. 18, 2013 oneTEM EUR (€)	Apr. 18, 2013 oneTEM Installment payment due first anniversary of closing EUR (€)	Apr. 18, 2013 oneTEM Installment payment due first anniversary of closing Contingent consideration EUR (€) item	Dec. 31, 2013 oneTEM Installment payment due first anniversary of closing Contingent consideration EUR (€) item	Apr. 18, 2013 oneTEM Customer relationships USD ($)	Apr. 18, 2013 oneTEM Non-compete covenants USD ($)	Apr. 18, 2013 oneTEM Tradenames USD ($)
Business combinations
Contingent consideration									$ 1,900,000		$ 1,900,000									$ 500,000																																					$ 4,000,000	$ 40,200,000		$ 4,400,000	$ 6,400,000
Deferred cash consideration paid										1,000,000							1,250,000								4,100,000	4,100,000											979,000													1,500,000									4,400,000		4,900,000
Deferred cash consideration retained										900,000
Deferred cash consideration																								9,000,000												979,000																				4,400,000
Contingent consideration under Indian purchase agreement																																																												2,500,000
Deferred cash consideration																		1,250,000	1,250,000						4,500,000	4,500,000												979,000											1,500,000																			400,000		400,000
Working capital adjustment included in cash consideration paid																700,000
Agreed reduction in contingent consideration															400,000
Deferred cash consideration paid related to installment resulting from reduction in potential cash payment														900,000
Unregistered shares of common stock issued as a consideration																																	165,775		165,775
Unvested and unregistered shares of common stock with vesting based upon achievement of revenue targets																																	132,617		132,617
Unvested and unregistered shares of common stock cancelled and retired																																132,617		132,617
Number of unregistered and unvested shares of the common stock valued by using closing price																																		165,775
Marketability discount rate applied to the fair value of the unregistered and unvested shares (as a percent)																																		20.00%
Lock-up period of unregistered shares																																	1 year
Net assets																																																								5,400,000
Number of anniversaries for which additional consideration payable following the closing date																																																																		4			4
Number of consecutive 12-month earn-out period																																																																		4			4	4
Earn-out period																																																																					12 months	12 months
Deferred cash consideration for four consecutive 12-month earn-out periods																																																																					200,000	200,000
Strategic consulting, software licenses and other revenue	20,430,000	16,533,000	11,270,000																																																															600,000
Anniversary payment																																																													6,400,000
Deferred cash consideration paid related to indemnity matters																									400,000	400,000	400,000																																		1,300,000
Deferred cash consideration change in purchase price due to net asset adjustment																																																													200,000
Amount paid for indemnity matters resolved which was previously deducted from deferred cash consideration																																																														1,300,000
Earn-out payable																																																							0
Breakdown of purchase price
Cash								3,000,000								5,166,000								14,500,000												3,521,000											6,359,000	4,000,000								29,208,000										1,221,000	900,000
Fair value of contingent consideration								3,390,000																																																										183,000
Common stock																																				1,984,000
Fair value of deferred purchase price																2,154,000								8,674,000												1,495,000											2,315,000									10,793,000										433,000
Total								6,390,000								7,320,000								23,174,000												7,000,000											8,674,000									40,001,000										1,837,000
Allocation of Purchase Consideration:
Accounts receivable								2,269,000								1,975,000
Prepaid and other current assets								125,000								72,000
Current assets																								3,183,000												1,140,000											2,469,000									5,628,000										565,000
Property and equipment								273,000								355,000								675,000												47,000											188,000									602,000										10,000
Other assets																								117,000												10,000
Identifiable intangible assets								2,700,000				840,000	1,860,000			2,428,000					350,000	2,020,000	58,000	8,717,000				1,612,000	6,770,000	335,000	400,000					2,857,000				2,017,000		236,000		553,000		51,000	4,288,000				1,178,000	2,606,000	116,000	388,000		13,790,000							4,050,000	9,680,000	60,000	870,000					535,000	298,000	37,000
Goodwill								2,243,000								3,014,000								13,801,000												4,477,000											3,557,000									20,936,000										655,000
Total assets acquired																								26,493,000												8,531,000											10,502,000									40,956,000										2,100,000
Deposits and non-current assets								170,000								76,000
Accounts payable								(229,000)								(88,000)
Accrued expenses								(1,042,000)								(444,000)
Accounts payable and accrued expenses																								(3,167,000)												(394,000)											(848,000)									(335,000)										(152,000)
Deferred revenue								(119,000)								(68,000)								(152,000)												(370,000)											(26,000)									(620,000)
Deferred taxes																																				(767,000)											(954,000)
Taxes payable																																																																		(111,000)
Total								$ 6,390,000								$ 7,320,000								$ 23,174,000												$ 7,000,000											$ 8,674,000									$ 40,001,000										$ 1,837,000
Weighted Average Useful Life				6 years 1 month 6 days	8 years 8 months 12 days	2 years	3 years 9 months 18 days					4 years	9 years								3 years	8 years	2 years					2 years 6 months	9 years	4 years									5 years		4 years		2 years		3 years						5 years	9 years	2 years	4 years									5 years	9 years	3 years						8 years	2 years	2 years 8 months 12 days