Revenue and Segment Information (Details 2) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Segment Reporting [Line Items]
Total assets	$ 572,046	$ 498,020
Discontinued Operations [Member]
Segment Reporting [Line Items]
Total assets	0	82,578
Specialist isotopes and related services [Member]
Segment Reporting [Line Items]
Total assets	400,945	321,190
Nuclear fuels [Member]
Segment Reporting [Line Items]
Total assets	106,279	94,252
Helium and LNG [Member]
Segment Reporting [Line Items]
Total assets	$ 64,822	$ 0

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details