v3.26.1
Reverse Merger - Schedule of Number of Shares of Common Stock Issued and Outstanding (Details) - shares
Jun. 30, 2026
Dec. 31, 2025
Jul. 23, 2025
Stockholders’ Equity [Line Items]      
Common stock, shares issued (in shares) 57,667,113 57,542,113 57,509,816
Common stock, shares outstanding (in shares) 57,667,113 57,542,113 57,509,816
Common stock – Deep Isolation, converted to Deep Isolation Nuclear stock      
Stockholders’ Equity [Line Items]      
Common stock, shares issued (in shares)     44,247,429
Common stock, shares outstanding (in shares)     44,247,429
Common stock – Issued in Offering      
Stockholders’ Equity [Line Items]      
Common stock, shares issued (in shares)     11,012,387
Common stock, shares outstanding (in shares)     11,012,387
Common stock – Aspen, outstanding prior to Merger      
Stockholders’ Equity [Line Items]      
Common stock, shares issued (in shares)     2,166,667
Common stock, shares outstanding (in shares)     2,166,667
Common stock – Advisor Shares      
Stockholders’ Equity [Line Items]      
Common stock, shares issued (in shares)     83,333
Common stock, shares outstanding (in shares)     83,333