v3.25.2
Recapitalization - Schedule of Common Stock Issued (Details)
Jun. 30, 2025
shares
Class of Stock [Line Items]  
PIPE subscription 588,235
Business Combination Class A common stock 8,001,930
Legacy Montana Shares 45,821,482
Class A and B Common Stock immediately after the Business Combination 53,823,412
Less: Redemption of XPDB Class A common stock (10,381,983)
Class A common stock of XPDB 226,195
Class A Common Stock [Member]  
Class of Stock [Line Items]  
XPDB Class common stock, outstanding prior to the Business Combination 10,608,178
Class B Common Stock [Member]  
Class of Stock [Line Items]  
XPDB Class common stock, outstanding prior to the Business Combination 7,187,500