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

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Warrant Instruments (Details) - shares	Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2024
Warrant Instruments
Number of warrants outstanding	53,076,019	21,109,135	15,191,077
Spring Valley Acquisition III
Warrant Instruments
Number of warrants outstanding	14,712,778	14,712,778
Spring Valley Acquisition III \| Public Warrants
Warrant Instruments
Number of warrants outstanding	7,666,667	7,666,667
Spring Valley Acquisition III \| Private Placement Warrants
Warrant Instruments
Number of warrants outstanding	7,046,111	7,046,111