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 initial consolidation of TAPP Influencers Corp. ("TAPP"), effective  January 9, 2023.

The Company completed its quarterly triggering event assessment for the three months ended of June 30, 2025 and determined that no triggering event had occurred requiring further impairment assessment of its long-lived assets.

Amortization expenses of $2,407 and $2,495 for the three months ended  June 30, 2025 and 2024, respectively, and $4,798 and $4,978 for the six months ended June 30, 2025 and 2024, respectively, are included in depreciation and amortization expenses in the consolidated statements of operations. As of June 30, 2025, intangible assets with a carrying amount of $750, included in the gross amount of software developed for internal use, have not commenced amortization, as they are not ready for their intended use. Further, during the six months ended June 30, 2025, the Company recognized a loss of $598 related to the write-off of the acquired proprietary technology in connection with TAPP (see Note 11, Variable Interest Entity). 

As of June 30, 2025, estimated amortization expenses related to the Company's intangible assets for the remainder of 2025 and through 2030 and thereafter are as follows: