v3.26.1
Note 14 - Related Party Transactions (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Oct. 14, 2025
Oct. 09, 2024
Oct. 12, 2023
Apr. 30, 2020
Jul. 13, 2018
Feb. 28, 2017
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2017
Apr. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Issuable in Each Tranche (in shares)         1,000,000                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                   3,931,922 199,216        
Share Price (in dollars per share)       $ 7.74                      
Revenue from Contract with Customer, Including Assessed Tax                   $ 514,000 $ 10,889,000        
Restricted Stock Units (RSUs) [Member]                              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)                   126,857 91,355        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)                   4,261,512 4,466,958 4,368,897      
CEO Employment Agreement [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issuable in Period (in shares)         4,000,000                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)         4,000,000                    
CEO Employment Agreement [Member] | Vesting Upon Listing of Company on an Exchange or the OTCQX Tier of OTC Markets [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issuable in Period (in shares)         1,000,000                    
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture (in shares)                           1,000,000  
Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture           $ 800,000               $ 1,000,000  
CEO Employment Agreement [Member] | Vesting When Company Executes Contract [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issuable in Period (in shares)         1,000,000                    
CEO Employment Agreement [Member] | Vesting Upon Commercial Operation of First Full-scale Production Facility [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issuable in Period (in shares)         1,000,000                    
CEO Employment Agreement [Member] | Vesting Upon Commercial Operation of Second Full-scale Production Facility [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issuable in Period (in shares)         1,000,000                    
CEO Employment Agreement [Member] | Restricted Stock Units (RSUs) [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issuable in Period (in shares)         4,000,000                    
CEO Employment Agreement [Member] | Restricted Stock Units (RSUs) [Member] | Vesting Upon Listing of Company on an Exchange or the OTCQX Tier of OTC Markets [Member]                              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)             200,000 200,000 200,000            
Revenue from Contract with Customer, Including Assessed Tax                   $ 506,000          
Amended CEO Employment Agreement [Member] | Restricted Stock Units (RSUs) [Member]                              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)       200,000             1,400,000 1,400,000 1,000,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)                     3,400,000 3,400,000     2,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value                         $ 7,740,000    
Amended CEO Employment Agreement [Member] | Restricted Stock Units (RSUs) [Member] | Vesting at Time of Termination [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percent Received On Termination                             50.00%
Amended CEO Employment Agreement [Member] | Restricted Stock Units (RSUs) [Member] | Vesting Within 24 Months After a Change in Control [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percent Received On Termination                             100.00%
Amended CEO Employment Agreement [Member] | Restricted Stock Units (RSUs) [Member] | Deferred One Year [Member]                              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 1,200,000 1,000,000 800,000