The following table summarizes our recognized intangible assets as a result of the arrangements described in the following sections:


	September 30, 2026			December 31, 2025
	Weighted-average Estimated Useful Lives	Amount		Weighted-average Estimated Useful Lives	Amount

		(in thousands)			(in thousands)
Gross amount	13.7 years	$	39,400	13.7 years	$	39,400
Less accumulated amortization		(13,477)			(11,323)
Total		$	25,923		$	28,077

Amortization expense, recorded as part of “Cost of license, services, and royalty revenue” on our condensed consolidated statements of operations, was $0.7 million and $2.1 million for the three and nine months ended September 30, 2026, respectively, and $0.7 million and $2.0 million for the three and nine months ended September 30, 2025, respectively. Estimated future amortization expense is $0.7 million for the remainder of 2026, $2.9 million for each of the years from 2027 to 2031 and $10.7 million thereafter.