v3.26.1
Debt (Details Narrative)
R in Millions
1 Months Ended 3 Months Ended
Oct. 31, 2025
May 31, 2025
USD ($)
Mar. 18, 2024
USD ($)
Aug. 30, 2023
USD ($)
Dec. 20, 2021
ZAR (R)
Apr. 11, 2014
ZAR (R)
Jan. 31, 2026
USD ($)
Nov. 30, 2025
USD ($)
Aug. 31, 2025
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2026
ZAR (R)
Mar. 31, 2026
USD ($)
Mar. 31, 2026
ZAR (R)
Mar. 31, 2025
USD ($)
Mar. 31, 2026
ZAR (R)
Dec. 31, 2025
USD ($)
Nov. 12, 2025
USD ($)
Nov. 14, 2024
Aug. 30, 2024
ZAR (R)
shares
Aug. 20, 2019
USD ($)
Debt Instrument [Line Items]                                            
Fair value of additional liability               $ 72,200,000   $ 5,500,000 $ 21,100,000 $ 21,100,000                    
Proceeds from issuance of notes payable                       $ 53,000       $ 46,000            
Payments for life insurance policies             $ 1,100,000   $ 200,000                          
Annual interest rate             9.60%   10.00%                          
Conversion price percentage of share price issued                       80.00% 80.00%                  
Selling general and administrative costs               2,600,000                            
Convertible note payable for non-cash issuance costs                   100,000 500,000                      
Change in fair value of convertible notes payable                       $ 600,000                    
Interest amount                       6,400,000   $ 6,400,000                
Notes payable                       58,325,000   58,325,000                
Convertible notes payable, at fair value                       199,891,000   199,891,000       $ 199,323,000        
Total principal and accrued interest of the Convertible Notes                       226,200,000   226,200,000                
Proceeds from issuance of convertible notes payable               $ 69,600,000   $ 5,400,000 $ 20,600,000                      
Issuance of convertible notes upon the date                       $ 5,500,000                    
Fair value of convertible note                               34,400,000            
Change in fair value of note                               $ 1,000,000            
Description of annual interest rate                       The 2024 Convertible Notes were payable on demand in March 2029 and bear interest at an annual rate of 6% through March 7, 2025 and 8% thereafter. The 2024 Convertible Notes were payable on demand in March 2029 and bear interest at an annual rate of 6% through March 7, 2025 and 8% thereafter.                  
Notes periodic payment description             eleven monthly payments beginning in December 2025   twelve monthly payments beginning in August 2025                          
Loan amount                       $ 58,325,000   58,325,000       2,055,000        
Two Thousand Twenty Five Notes [Member]                                            
Debt Instrument [Line Items]                                            
Maturity date               Nov. 19, 2030                            
Quantum Leap Energy LLC [Member] | Two Thousand Twenty Five Notes [Member]                                            
Debt Instrument [Line Items]                                            
Percentage of share price at notes convertible               80.00%                            
Quantum Leap Energy LLC [Member] | Two Thousand Twenty Five Notes [Member] | Parent [Member]                                            
Debt Instrument [Line Items]                                            
Proceeds from issuance of notes payable               $ 30,000,000                            
Quantum Leap Energy LLC [Member] | Two Thousand Twenty Five Notes [Member] | American Ventures LLC, Series IX Quantum Leap [Member]                                            
Debt Instrument [Line Items]                                            
Gross proceeds from related party               $ 10,000,000                            
Quantum Leap Energy LLC [Member] | Two Thousand Twenty Five Convertible Notes [Member]                                            
Debt Instrument [Line Items]                                            
Convertible notes payable, at fair value                                     $ 147,700,000      
Secured Term Loans [Member]                                            
Debt Instrument [Line Items]                                            
Loan amount                       20,856,000   20,856,000       0        
Outstanding principal amount                       3,500,000   $ 3,500,000                
Unsecured Term Loans [Member]                                            
Debt Instrument [Line Items]                                            
Interest expense                       $ 100,000 R 1.6                  
Variable interest rates                       2.00% 2.00%                  
Maturity date           Aug. 31, 2024                                
Loan amount | R           R 50.0                                
Maturity period description           10 years and six months commencing on July 1, 2014                                
Effective prime lending interest rate                       12.25%   12.25%     12.25%          
Maximum percentage of distributable profits           36.00%                                
Loan amount                       $ 10,633,000   $ 10,633,000       0        
Outstanding principal amount | R                                 R 60.5          
Ownership percentage                                       5.50%    
Facility Agreement [Member]                                            
Debt Instrument [Line Items]                                            
Interest expense                           300,000                
Outstanding principal amount of credit facility                       24,000,000   24,000,000                
Maximum borrowing capacity                                           $ 40,000,000
Credit facilities, quarterly installment amount                       1,100,000                    
Terra power loan agreement [Member]                                            
Debt Instrument [Line Items]                                            
Notes payable   $ 20,000,000                   $ 20,000,000   20,000,000                
Maturity date   May 16, 2032                                        
Loan amount   $ 22,000,000                                        
Payment terms                       Principal and interest payments will be made in 60 equal installments beginning in November 2027. The Company plans to request drawdowns on this loan beginning in the third quarter of 2026.In addition to the Terra Power Loan Agreement, the Company and TerraPower have entered into two supply agreements for the HALEU expected to be produced at the Company’s uranium enrichment facility. The initial core supply agreement is intended to support the supply of the required first fuel cores for the initial loading of TerraPower’s Natrium project in Wyoming. The long-term supply agreement is a 10-year supply agreement of up to a total of 150 metric tons of HALEU, commencing in 2028 through end of 2037. Principal and interest payments will be made in 60 equal installments beginning in November 2027. The Company plans to request drawdowns on this loan beginning in the third quarter of 2026.In addition to the Terra Power Loan Agreement, the Company and TerraPower have entered into two supply agreements for the HALEU expected to be produced at the Company’s uranium enrichment facility. The initial core supply agreement is intended to support the supply of the required first fuel cores for the initial loading of TerraPower’s Natrium project in Wyoming. The long-term supply agreement is a 10-year supply agreement of up to a total of 150 metric tons of HALEU, commencing in 2028 through end of 2037.                  
American Ventures Advisory Agreement [Member] | Quantum Leap Energy LLC [Member] | Restricted Stock Units (RSUs) [Member]                                            
Debt Instrument [Line Items]                                            
RSUs description                       QLE issued RSUs representing a right to receive a number of units or shares of common equity of QLE equal to 4.0% of the common equity of QLE deemed outstanding as of the date of grant, treating as outstanding only (i) ASP Isotopes’ membership interest in the Company and (ii) the shares or units of common equity issuable upon conversion of the 2024 Convertible Notes (or any securities issued upon conversion or exchange thereof). QLE issued RSUs representing a right to receive a number of units or shares of common equity of QLE equal to 4.0% of the common equity of QLE deemed outstanding as of the date of grant, treating as outstanding only (i) ASP Isotopes’ membership interest in the Company and (ii) the shares or units of common equity issuable upon conversion of the 2024 Convertible Notes (or any securities issued upon conversion or exchange thereof).                  
RSUs vesting description                       Such RSUs will vest as follows: (x) 50% upon the completion of the listing event, provided that such listing event occurs within 24 months of October 28, 2025, and (y) 50% on the six-month anniversary of such listing event. Such RSUs will vest as follows: (x) 50% upon the completion of the listing event, provided that such listing event occurs within 24 months of October 28, 2025, and (y) 50% on the six-month anniversary of such listing event.                  
American Ventures Advisory Agreement [Member] | Quantum Leap Energy LLC [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member]                                            
Debt Instrument [Line Items]                                            
RSUs vesting percentage 50.00%                                          
American Ventures Advisory Agreement [Member] | Quantum Leap Energy LLC [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                                            
Debt Instrument [Line Items]                                            
RSUs vesting percentage 50.00%                                          
IDC Loan [Member] | Secured Term Loans [Member]                                            
Debt Instrument [Line Items]                                            
Interest expense                           300,000 R 4.8              
Variable interest rates         3.50%                                  
Loan amount | R         R 160.7                                  
Notes periodic payment description         102 equal monthly payments which commenced in July 2023                                  
Outstanding principal amount                       $ 8,400,000   8,400,000     144.1          
Debt instrument, covenant description         The following financial covenants apply to the IDC Loan: Tetra4 is required to maintain (a) a ratio of all interest bearing Debt to EBITDA of not more than 3.0 to 1; (b) a ratio of Current Assets to Current Liabilities of not less than 1 to 1; (c) a ratio of Cash Flow for the most recently completed four (4) consecutive full fiscal quarters, taken as a single accounting period, to Debt Service for the most recently completed four (4) consecutive full fiscal quarters, taken as a single accounting period, of not less than 1.30 to 1; (d) a ratio of Cash Flow for the most recently completed four (4) fiscal quarters, taken as a single accounting period, to Debt Service for the next succeeding four (4) consecutive full fiscal quarters of not less than 1.3 to 1; and (e) at all times, a Reserve Tail Ratio of not less than 25%.These financial covenants will be measured by Tetra4 on each Calculation Date. Additionally, at all times (f) Tetra4 is required to ensure that the DSRA is funded in an amount equal to, on any given date, a Rand amount equal to the aggregate amount of the sum of all payments of principal, interest and fees made or required to be made by Tetra4 under the IDC Loan Agreement for the immediately succeeding six-month period, to be used as a payment buffer for Tetra4’s repayment obligations under and in terms of the IDC Loan Agreement.                                  
Debt instrument, restrictive covenants         Tetra4 shall not make any shareholder dividend distribution, repay any shareholders’ loans and/or pay any interest on shareholders’ loans or make any payments whatsoever to its shareholders without the IDC’s prior written consent if (i) Tetra4 is in breach of any term of the IDC Loan Agreement; or (ii) the making of such payment would result in a breach of any one or more of the financial ratios described above.                                  
SBSA Loan [Member] | Secured Term Loans [Member]                                            
Debt Instrument [Line Items]                                            
Interest expense                           600,000 R 10.1              
Variable interest rates                       21.725% 21.725%                  
Number of shares pledged as collateral | shares                                         1,546,268  
Loan amount | R                                         R 155.0  
Outstanding principal amount                       $ 12,500,000   12,500,000     R 213.4          
AIRSOL [Member] | Unsecured Term Loans [Member]                                            
Debt Instrument [Line Items]                                            
Annual interest rate       13.00%                                    
Loan amount       $ 7,000,000               $ 7,100,000   7,100,000                
Description of annual interest rate       The debentures accrue interest at 13% per annum, calculated and compounded semi-annually, with interest payable on February 28 and August 31 each year.                                    
Debt instrument, maturity date range, start       Feb. 28, 2025                                    
Debt instrument, maturity date range, end       Aug. 31, 2025                                    
AIRSOL [Member] | Unsecured Term Loans [Member] | Share-Based Payment Arrangement, Tranche One [Member]                                            
Debt Instrument [Line Items]                                            
Proceeds from issuance of convertible notes payable       $ 3,000,000                                    
AIRSOL [Member] | Unsecured Term Loans [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                                            
Debt Instrument [Line Items]                                            
Proceeds from issuance of convertible notes payable     $ 4,000,000                                      
Minimum [Member] | Facility Agreement [Member]                                            
Debt Instrument [Line Items]                                            
Line of Credit Facility, Interest Rate During Period                       1.24% 1.24%                  
Minimum [Member] | IDC Loan [Member] | Secured Term Loans [Member]                                            
Debt Instrument [Line Items]                                            
Ratio of current assets to current liabilities         0.01                                  
Ratio of cash flow to debt service for the most recently completed four consecutive full fiscal quarters         0.013                                  
Ratio of cash flow to debt service for the next succeeding four consecutive full fiscal quarters         0.013                                  
Reserve tail ratio         25.00%                                  
Maximum [Member] | Facility Agreement [Member]                                            
Debt Instrument [Line Items]                                            
Line of Credit Facility, Interest Rate During Period                       2.11% 2.11%                  
Maximum [Member] | Terra power loan agreement [Member]                                            
Debt Instrument [Line Items]                                            
Loan amount                       $ 22,000,000   22,000,000                
Maximum [Member] | IDC Loan [Member] | Secured Term Loans [Member]                                            
Debt Instrument [Line Items]                                            
Ratio of all interest bearing debt to EBITDA         0.03                                  
Promissory Note One [Member]                                            
Debt Instrument [Line Items]                                            
Notes payable and loans                       100,000   100,000       100,000        
Promissory Notes Two [Member]                                            
Debt Instrument [Line Items]                                            
Notes payable and loans                       700,000   700,000                
Motor Vehicle and Equipment Loans [Member]                                            
Debt Instrument [Line Items]                                            
Interest expense                       100,000                    
Notes payable and loans                       100,000   100,000                
Notes payable                       2,100,000   $ 2,100,000       $ 1,900,000        
Minimum monthly payments                       $ 55,000                    
Motor Vehicle and Equipment Loans [Member] | Minimum [Member]                                            
Debt Instrument [Line Items]                                            
Variable interest rates                       9.25% 9.25%                  
Maturity date                       Sep. 30, 2028 Sep. 30, 2028                  
Motor Vehicle and Equipment Loans [Member] | Maximum [Member]                                            
Debt Instrument [Line Items]                                            
Variable interest rates                       11.25% 11.25%                  
Interest Rate Through March 7, 2025 [Member]                                            
Debt Instrument [Line Items]                                            
Annual interest rate                       6.00% 6.00%                  
Interest Rate After March 7, 2025 [Member]                                            
Debt Instrument [Line Items]                                            
Annual interest rate                       8.00% 8.00%