Intangible Assets

3 Months Ended

12 Months Ended

Mar. 31, 2025

Dec. 31, 2024

Intangible Assets

Intangible Assets

5.Intangible Assets

Intangible assets consisted of the following as of March 31, 2025 and December 31, 2024 (in thousands):

	As of March 31,		As of December 31,
	2025		2024
Licensed patent rights	$	826	$	826
Less: accumulated amortization		(457)		(441)
Total intangible assets, net	$	369	$	385

As of March 31, 2025, the expected remaining amortization expense is as follows (in thousands):

Year Ended December 31,	Amount
2025 (remaining nine months)	$	47
2026		63
2027		63
2028		63
2029		63
Thereafter		70
Total	$	369

The Company recognized less than $0.1 million for amortization expense for each of the three months ended March 31, 2025 and 2024. Amortization expense is included in research and development expense in the condensed statements of operations and comprehensive loss.

5.Intangible Assets

Intangible assets consisted of the following as of December 31, 2024 and 2023 (in thousands):

	As of December 31,
	2024		2023
Licensed patent rights	$	826	$	826
Less: accumulated amortization		(441)		(378)
Total intangible assets, net	$	385	$	448

As of December 31, 2024, the expected remaining amortization expense is as follows (in thousands):

Year Ended December 31,	Amount
2025		63
2026		63
2027		63
2028		63
2029		63
Thereafter		70
Total	$	385

The Company recognized less than $0.1 million for amortization expense for each of the years ended December 31, 2024 and 2023. Amortization expense is included in research and development expense in the statements of operations.