Subsequent Events (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Nov. 14, 2014	May 13, 2015
Subsequent Event [Line Items]
Change in fair value of contingent consideration	$ (80)	$ 27
Tennessee Valley Authority Renewal Target [Member]
Subsequent Event [Line Items]
Subsequent Event, Date	May 13, 2015
Hyperspring, LLC [Member]
Subsequent Event [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			11,400
Hyperspring, LLC [Member] | Contingent Consideration Case 1 [Member] | Tennessee Valley Authority Renewal Target [Member]
Subsequent Event [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			1,200
Business Combination, Contingent Consideration Arrangements, Description	if Hyperspring was successful in renewing its contract with the Tennessee Valley Authority ("TVA") on or before May 15, 2015 for a two year period for substantially the same scope as was currently being provided and with substantially the same economics.
Hyperspring, LLC [Member] | Contingent Consideration Case 1 [Member] | EBITDA Target [Member]
Subsequent Event [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			7,200
Business Combination, Contingent Consideration Arrangements, Description	the $1.2 million TVA payment is divided into three increments of $400,000 each and are added to the annual payments which will be made to the former Hyperspring members if they achieved certain EBITDA (earnings before interest, taxes, depreciation and amortization) targets for the three-year period ending November 13, 2017.
Hyperspring, LLC [Member] | Contingent Consideration Case 2 [Member] | EBITDA Target [Member]
Subsequent Event [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			8,400
Business Combination, Contingent Consideration Arrangements, Description	certain EBITDA (earnings before interest, taxes, depreciation and amortization) targets
Hyperspring, LLC [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Change in fair value of contingent consideration	262
Hyperspring, LLC [Member] | Subsequent Event [Member] | Contingent Consideration Case 1 [Member] | Tennessee Valley Authority Renewal Target [Member]
Subsequent Event [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High				1,200
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low				600
Business Combination, Contingent Consideration Arrangements, Description	If, prior to the Extension Date, the TVA contract is renewed until at least May 15, 2016, the Sellers will receive a lump sum payment in the amount of $600,000 and if the TVA contract is renewed until at least May 15, 2017, the Sellers will receive a lump sum payment in the amount of $1.2 million.
Hyperspring, LLC [Member] | Subsequent Event [Member] | Contingent Consideration Case 1 [Member] | EBITDA Target [Member]
Subsequent Event [Line Items]
Business Combination, Contingent Consideration Arrangements, Description	If Hyperspring does not achieve a new, multi-year contract with TVA, then the $1.2 million earnout payment will remain divided into three increments of $400,000 and be added to the annual payments which will be made to the former Hyperspring members if they achieve EBITDA targets for the three year period following the Acquisition Date.
IntelliQlik, LLC [Member]
Subsequent Event [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			$ 250