Note 11  Operating Segments In conjunction with the acquisition of SiriusDecisions in the first quarter of 2019, the Company realigned its management structure into Products, Research and SiriusDecisions. The Products segment includes the revenues of the Connect, Analytics, and Events products (excluding the revenues from SiriusDecisions products) and the costs of the organizations responsible for developing and delivering these products. In addition, this segment includes Consulting revenues from the project consulting organization that is included in this segment. The project consulting organization delivers a majority of the Companys project consulting revenue (excluding SiriusDecisions consulting) and certain advisory services primarily related to the Analytics product line. This segment also includes the costs of the product management organization that is responsible for product pricing and packaging and the launch of new products. The Research segment includes the revenues of the Research products and the cost of the organizations responsible for developing and delivering the Research products (excluding the costs and revenues from SiriusDecisions products). In addition, this segment includes Consulting revenues primarily from the delivery of advisory services (such as workshops, speeches and advisory days) delivered by the Companys research analysts. The SiriusDecisions segment includes the revenues of the legacy SiriusDecisions products and the costs of the organizations responsible for developing and delivering these products. In addition, this segment includes the costs of marketing, technology development and business support departments of the legacy SiriusDecisions business. The Company evaluates reportable segment performance and allocates resources based on segment revenues and expenses. Segment expenses include the direct expenses of each segment organization and exclude, except as noted above for the SiriusDecisions segment, selling and marketing expenses, general and administrative expenses, stock-based compensation expense, depreciation expense, adjustments to incentive bonus compensation from target amounts, amortization of intangible assets, interest and other expense, and losses on investments. The accounting policies used by the segments are the same as those used in the consolidated financial statements. The Company is providing disaggregated revenue by product in the segment tables below (in thousands). The 2018 amounts have been reclassified to conform to the current presentation. Products Research SiriusDecisions Consolidated Three Months Ended March 31, 2019 Research services revenues Research $  $ 36,437 $ 13,343 $ 49,780 Connect 13,115  456 13,571 Analytics 5,258   5,258 Total research services revenues 18,373 36,437 13,799 68,609 Advisory services and events revenues Consulting 17,837 12,768 1,182 31,787 Events 27  226 253 Total advisory services and events revenues 17,864 12,768 1,408 32,040 Total segment revenues 36,237 49,205 15,207 100,649 Segment expenses 18,177 14,029 9,410 41,616 Contribution margin 18,060 35,176 5,797 59,033 Selling, marketing, administrative and other expenses (60,740 ) Amortization of intangible assets (6,210 ) Acquisition and integration costs (2,967 ) Interest and other expense and loss on investments (2,658 ) Loss before income taxes $ (13,542 ) Products Research SiriusDecisions Consolidated Three Months Ended March 31, 2018 Research services revenues Research $  $ 34,643 $  $ 34,643 Connect 12,564   12,564 Analytics 4,493   4,493 Total research services revenues 17,057 34,643  51,700 Advisory services and events revenues Consulting 14,407 11,642  26,049 Events     Total advisory services and events revenues 14,407 11,642  26,049 Total segment revenues 31,464 46,285  77,749 Segment expenses 16,056 13,411  29,467 Contribution margin 15,408 32,874  48,282 Selling, marketing, administrative and other expenses (50,384 ) Amortization of intangible assets (186 ) Acquisition and integration costs  Other expense and loss on investments (143 ) Loss before income taxes $ (2,431 )