Business Combinations 2018 Acquisitions Acquisition of Southport On April 2, 2018 , the Company acquired substantially all of the assets of Southport, pursuant to the terms of an Asset Purchase Agreement. The Companys total allocable purchase price consideration was $18.6 million . The purchase price was comprised of $11.3 million in cash paid and $2.7 million in Company common stock issued at closing increased by $0.3 million as a result of the net working capital adjustment paid to Southport in the first quarter of 2019. The purchase price also included $4.3 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller twelve months after the closing date of the acquisition, with a maximum cash payout of $6.6 million . As of March 31, 2019 , the Companys best estimate of the fair value of the contingent consideration was $5.1 million , of which $5.0 million was recorded in Other current liabilities within the Consolidated Balance Sheet as of December 31, 2018 . As a result, the Company recorded a pre-tax adjustment in Adjustment to fair value of contingent consideration on the Unaudited Condensed Consolidated Statements of Operations of $0.1 million during the three months ended March 31, 2019 . The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $7.1 million . Acquisition of Stone Temple On July 16, 2018 , the Company acquired substantially all of the assets of Stone Temple, pursuant to the terms of an Asset Purchase Agreement. The Companys total allocable purchase price consideration was $12.3 million , subject to finalization of a net working capital settlement. The purchase price was comprised of $9.9 million in cash paid and $1.1 million in Company common stock issued at closing increased by $0.1 million for an estimated net working capital adjustment due to the seller. The purchase price also included $1.2 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller twelve months after the closing date of the acquisition, with a maximum cash payout of $2.6 million . As of March 31, 2019 , the Companys best estimate of the fair value of the contingent consideration was zero . As a result, the Company recorded a pre-tax adjustment in Adjustment to fair value of contingent consideration on the Unaudited Condensed Consolidated Statements of Operations of $1.3 million during the three months ended March 31, 2019 . The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $5.4 million . The purchase price accounting estimates are pending finalization of the net working capital settlement that is subject to final adjustment as the Company evaluates information during the measurement period. Acquisition of Elixiter On October 29, 2018 , the Company acquired Elixiter pursuant to the terms of an Agreement and Plan of Merger. The Companys total allocable purchase price consideration was $8.1 million , subject to finalization of a net working capital settlement. The purchase price was comprised of $5.4 million in cash paid (net of cash acquired) and $1.4 million in Company common stock issued at closing increased by $0.4 million for an estimated net working capital adjustment due to the sellers. The purchase price also included $0.9 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the sellers twelve months after the closing date of the acquisition, with a maximum cash payout of $1.8 million . As of March 31, 2019 , the Companys best estimate of the fair value of the contingent consideration was $1.6 million . As a result, the Company recorded a pre-tax adjustment in Adjustment to fair value of contingent consideration on the Unaudited Condensed Consolidated Statements of Operations of $0.7 million during the three months ended March 31, 2019 . The goodwill recognized in the acquisition of Elixiter is non-deductible for tax purposes. The purchase price accounting estimates are pending finalization of the net working capital settlement that is subject to final adjustment as the Company evaluates information during the measurement period. The following table presents details of the intangible assets acquired during the year ended December 31, 2018 (dollars in millions): Weighted Average Useful Life Estimated Useful Life Aggregate Acquisitions Customer relationships 5 years 5 - 6 years $ 10.6 Customer backlog 1 year 1 - 1.5 years 1.5 Non-compete agreements 5 years 4 - 5 years 0.3 Trade name 1 year 1 year 0.1 Developed software 3 years 3 years 0.4 Total acquired intangible assets $ 12.9 Pro-forma Results of Operations The following presents the unaudited pro-forma combined results of operations of the Company with the 2018 acquisitions for the three months ended March 31, 2018 , after giving effect to certain pro-forma adjustments and assuming the 2018 acquisitions were acquired as of the beginning of 2017 . These unaudited pro-forma results are presented in compliance with the adoption of ASU No. 2010-29, Business Combinations (Topic 805): Disclosure of Supplementary Pro Forma Information for Business Combinations , and are not necessarily indicative of the actual consolidated results of operations had the acquisitions actually occurred on January 1, 2017 or of future results of operations of the consolidated entities (in thousands except per share data): Three Months Ended March 31, 2018 Revenues $ 129,952 Net income $ 5,699 Basic net income per share $ 0.17 Diluted net income per share $ 0.17 Shares used in computing basic net income per share 32,970 Shares used in computing diluted net income per share 34,057