3. Intangible assets, net

Intangible assets, net, other than goodwill, consist of the following: 

The gross amounts associated with software developed for internal use primarily represent capitalized costs of internally developed software. The amounts relating to acquired proprietary technology, customer relationships, trade names, domain names, and databases primarily represent the fair values of intangible assets acquired as a result of the acquisition of Fluent, LLC, effective December 8, 2015; the acquisition of Q Interactive, LLC, effective June 8, 2016; the acquisition of substantially all the assets of AdParlor Holdings, Inc. and certain of its affiliates, effective July 1, 2019; the acquisition of a 50% interest in Winopoly, LLC, effective April 1, 2020; and the consolidation of TAPP Influencers Corp. ("TAPP"), effective  January 9, 2023.

The Company completed its quarterly triggering event assessment for the three months ended of March 31, 2025 and determined that no triggering event had occurred requiring further impairment assessment of its long-lived assets.

Amortization expenses of $2,391 and $2,483 for the three months ended  March 31, 2025 and 2024, respectively, are included in depreciation and amortization expenses in the consolidated statements of operations. As of March 31, 2025, intangible assets with a carrying amount of $768, included in the gross amount of software developed for internal use, have not commenced amortization, as they are not ready for their intended use.

As of March 31, 2025, estimated amortization expenses related to the Company's intangible assets for the remainder of 2025 and through 2030 and thereafter are as follows: