v3.26.1
Note 2 - Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 6 Months Ended 12 Months Ended
May 07, 2026
USD ($)
May 06, 2026
USD ($)
Mar. 06, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Net Income (Loss) Attributable to Parent       $ (6,637,416) $ (3,986,923) $ (5,146,737) $ (14,036,381) $ (10,624,339) $ (19,183,118)  
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation               (8,731,663) (5,385,357)  
Retained Earnings (Accumulated Deficit)       (123,212,799)       (123,212,799)   $ (112,588,460)
Revenue from Contract with Customer, Including Assessed Tax       2,662,887   1,047,029   4,911,508 1,637,595  
Marketable Securities       0       0   0
Accounts Receivable, before Allowance for Credit Loss, Current       0       0   0
Accounts Receivable, Allowance for Credit Loss, Current       0       0   0
Inventory, Finished Goods, Gross       6,040,410       6,040,410   6,040,410
Inventory Valuation Reserves       6,040,410       6,040,410   6,040,410
Inventory, Net       0       0   0
Inventory Deposits       0       0   0
Other Assets, Current       $ 72,460       $ 72,460   188,074
Class of Warrant or Right, Outstanding (in shares) | shares       1,051,205       1,051,205    
Maximum Insured Funds, FDIC and SPIC       $ 750,000       $ 750,000    
Maximum Cash Insured       500,000       500,000    
Extra Insurance by SPIC, Cap, Unlimited Per Customer Securities       1,000,000,000       1,000,000,000    
Research and Development Expense       12,000   590,121   22,000 688,519  
Share-Based Payment Arrangement, Noncash Expense       $ 1,678,036   40,479   $ 1,703,544 587,055  
Minimum [Member]                    
Property, Plant, and Equipment, Useful Life (Year)       3 years       3 years    
Maximum [Member]                    
Property, Plant, and Equipment, Useful Life (Year)       5 years       5 years    
First Closing Buyer Warrants [Member]                    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares     1,291,778 2,051,835       2,051,835    
Class of Warrant or Right, Outstanding (in shares) | shares       1,051,205       1,051,205    
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares     $ 0.01              
Class of Warrant or Right, Exercised During Period (in shares) | shares       291,778            
Class of Warrant or Right, Exercised, Weighted Average Exercise Price (in dollars per share) | $ / shares       $ 0.01            
U.S. Environmental Protection Agency ("EPA") School Bus Contract [Member]                    
Contract with Customer, Asset, after Allowance for Credit Loss       $ 1,342,966       $ 1,342,966   1,503,477
Contract with Customer, Liability       5,146,066       5,146,066   5,169,691
Related Party [Member]                    
Accounts Receivable, before Allowance for Credit Loss, Current       2,364,754       2,364,754   1,202,335
Accounts Receivable, Allowance for Credit Loss, Current       7,808       7,808   6,082
Accounts Receivable, after Allowance for Credit Loss       2,356,946       2,356,946   $ 1,196,253
Electric Vehicles [Member]                    
Revenue from Contract with Customer, Including Assessed Tax       0       0    
Other Operating Income       $ 0       $ 0    
Revenue Benchmark [Member] | Medical Supplies [Member] | Customer Concentration Risk [Member]                    
Concentration Risk, Percentage       100.00%       100.00%    
Accounts Payable Concentration [Member] | Supplier Concentration Risk [Member]                    
Number of Vendors               2   2
Accounts Payable Concentration [Member] | Supplier Concentration Risk [Member] | Two Vendors [Member]                    
Concentration Risk, Percentage               76.00%   54.00%
Electric Vehicles [Member]                    
Revenue, Net       $ 0   (25,237)   $ 0 348,063  
Delivery of Medical Supplies [Member]                    
Revenue, Net       $ 2,662,887   $ 1,072,266   4,911,508 1,289,532  
Debentures [Member]                    
Proceeds from Issuance of Debt     $ 10,535,000         $ 10,535,000 $ 0  
Debentures [Member] | First Closing Debentures [Member]                    
Proceeds from Issuance of Debt     $ 3,815,000   $ 3,815,000          
Debentures [Member] | Second Closing Debentures [Member]                    
Proceeds from Issuance of Debt $ 5,850,000 $ 5,850,000