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STOCKHOLDERS' EQUITY (DEFICIT) AND MEZZANINE EQUITY - Activities during the year (Details)
 3 Months Ended 9 Months Ended
Feb. 24, 2026
USD ($)
shares
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
USD ($)
shares
STOCKHOLDERS' EQUITY (DEFICIT) AND MEZZANINE EQUITY        
Exchange ratio for nonredeemable common stock   5.8349 5.8349  
Conversion of redeemable common stock | $       $ 300,000
Shares issued for vesting of RSUs (in shares)       104,168
Common stock, subject to possible redemption        
STOCKHOLDERS' EQUITY (DEFICIT) AND MEZZANINE EQUITY        
Conversion of redeemable common stock (in shares) 2,750,000      
Conversion of redeemable common stock | $ $ 300,000      
Oregon Energy LLC        
STOCKHOLDERS' EQUITY (DEFICIT) AND MEZZANINE EQUITY        
Number of common shares issued for acquisition of Oregon Energy 1,710,991      
Share consideration | $ $ 11,959,827      
Eagle Energy        
STOCKHOLDERS' EQUITY (DEFICIT) AND MEZZANINE EQUITY        
Exchange ratio for nonredeemable common stock 5.8349      
Number of shares exchanged for nonredeemable common stock 18,888,289      
Eagle Energy | SVII and Eagle Energy Nuclear Corp        
STOCKHOLDERS' EQUITY (DEFICIT) AND MEZZANINE EQUITY        
Number of shares issued for transaction costs 300,000      
Net contributions from reverse recapitalization | $ $ 1,991,184      
Eagle Energy | SVII        
STOCKHOLDERS' EQUITY (DEFICIT) AND MEZZANINE EQUITY        
Number of shares issued in a reverse recapitalization transaction 5,930,033