v3.26.1
Fair Value Measurements (Details) - Mountain Lake Acquisition Corp. - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Cash [Member]      
Fair Value Measurements [Line Items]      
Assets held in trust account $ 346 $ 1,121 $ 593
U.S. Treasury securities [Member]      
Fair Value Measurements [Line Items]      
Assets held in trust account $ 243,343,813 $ 241,229,451 $ 231,643,260