Other income consisted of the following:


	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2026			2025			2026			2025
Foreign currency (gain) loss	$	910		$	342		$	(293	)	$	420
Interest income		(6,259	)		(7,213	)		(11,229	)		(16,695	)
Revision of estimated decommissioning costs related to asset retirement obligation(1)		—			—			—			(4,727	)
Gain on conversion of Installment Note(2)		(2,525	)		—			(2,525	)		—
Other		12			(24	)		475			(21	)
Total other income, net	$	(7,862	)	$	(6,895	)	$	(13,572	)	$	(21,023	)

(1)

In 2025, the Company revised certain inputs to its estimate of decommissioning costs expected to be incurred throughout the period of remediation, which reduced the estimate of remediation costs at the time by $4.7 million. See Note 9, “Asset Retirement Obligations” included in the Company’s Form 10-K for the year ended December 31, 2025 for more information.

(2)

In April 2026, the Company converted the $70.0 million Installment Note received upon the sale of its SPECT business into the Series E-1 Preferred. Upon conversion, the Company recognized a gain on conversion of $2.5 million. See Note 4, “Fair Value of Financial Instruments,” above for more information.