Quarterly report [Sections 13 or 15(d)]

Subsequent Events (Details Narrative)

v3.26.1
Subsequent Events (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended
Apr. 30, 2026
Mar. 31, 2026
Mar. 31, 2025
Subsequent Event [Line Items]      
Purchase price of property which paid in cash   $ 859,000 $ 523,000
Subsequent Event [Member] | Perma-Fix Northwest Richland, Inc [Member]      
Subsequent Event [Line Items]      
Variable interest rates 3.00%    
Interest rate 3.00%    
Interest rate increase decrease 1.00%    
Subsequent Event [Member] | Perma-Fix Northwest Richland, Inc [Member] | US Treasury Securities [Member]      
Subsequent Event [Line Items]      
Interest rate 4.00%    
Subsequent Event [Member] | Perma-Fix Northwest Richland, Inc [Member] | US Treasury Securities [Member] | Maximum [Member]      
Subsequent Event [Line Items]      
Interest rate 20.50%    
Purchase and Sales Agreement [Member] | Subsequent Event [Member]      
Subsequent Event [Line Items]      
Purchase price of promissory note $ 350,000    
Purchase price of property which paid in cash 87,500    
Paid with bank 262,500    
Monthly payments $ 3,100    
Annual fixed interest rate 7.50%