Intangible assets other than goodwill consist of the following:


		March 31, 2025							December 31, 2024
(In thousands)	Amortization period	Gross amount		Accumulated amortization			Net		Gross amount		Accumulated amortization			Net
Software developed for internal use	5-10 years	$	77,075	$	(40,864	)	$	36,211	$	74,409	$	(38,412	)	$	35,997
Acquired intangible assets	10 years		1,325		(48	)		1,277		-		-			-
Total		$	78,400	$	(40,912	)	$	37,488	$	74,409	$	(38,412	)	$	35,997

The gross carrying amount of software developed for internal use includes capitalized costs related to the design, development, and testing of internal-use software. These costs primarily consist of eligible personnel-related expenses, share-based compensation, travel expenses, and other directly attributable costs incurred during the application development stage. The gross carrying amount of acquired intangible assets reflects the acquisition cost of certain data assets for which the Company has obtained perpetual usage rights.

Amortization expenses of $2,500 and $2,214 for the three months ended March 31, 2025 and 2024, respectively, were included in depreciation and amortization expense. As of March 31, 2025, intangible assets of $6,692, included in the gross carrying amounts of software developed for internal use, have not started amortization, as they are not ready for their intended use.

The Company capitalized costs of intangible assets of $3,991 and $2,773 during the three months ended March 31, 2025 and 2024, respectively.

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


(In thousands)
Year	March 31, 2025
Remainder of 2025		7,748
2026		9,571
2027		7,955
2028		5,523
2029		3,560
2030 and thereafter		3,131
Total	$	37,488