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Note 2 - Investments (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 18 Months Ended 30 Months Ended 35 Months Ended
Mar. 01, 2024
Dec. 29, 2023
Sep. 12, 2023
Jun. 30, 2023
Apr. 24, 2020
Jun. 30, 2024
Jun. 30, 2024
Sep. 30, 2023
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2023
May 17, 2024
Apr. 25, 2024
Nov. 30, 2023
Aug. 31, 2023
Mar. 30, 2023
Dec. 30, 2021
Jun. 24, 2021
Dec. 31, 2019
Stock Held by Investees and Make-whole Derivatives           $ 700,000 $ 700,000     $ 700,000   $ 3,700,000       $ 3,700,000                
Income (Loss) from Equity Method Investments                   (1,225,185) $ (806,264)                          
Unrealized Gain (Loss) on Investments                   (0) (765,000)                          
Payments to Acquire Investments                   $ 530,000 (0)                          
Conversion of Advances into SSOF Common Stock [Member]                                                
Investment Owned, Shares, Evaluation, Cash Rate (in dollars per share)   $ 1.8                                            
Debt Conversion, Converted Instrument, Shares Issued (in shares)   3,880,556                                            
Sierra Springs Opportunity Fund, Inc. (SSOF) [Member]                                                
Investment Owned, Balance, Shares (in shares)           10,875,000 10,875,000     10,875,000   10,580,556       10,580,556               6,700,000
Investment Owned, Cost                                               $ 335,000
Subsidiary, Ownership Percentage, Noncontrolling Owner           17.50% 17.50%     17.50%   17.11%       17.11%                
Quantum Generative Materials LLC (GenMat) [Member]                                                
Investment Owned, Balance, Shares (in shares)                                 2,513,451              
Investment Owned, Balance, Sold (in shares)                               486,549                
Proceeds from Sale, Maturity and Collection of Investments                               $ 285,636                
Proceeds from Funding and Sale of Common Stock Held                               $ 10,000,000                
Investment Owned, Fair Value           $ 412,206 $ 412,206     $ 412,206             $ 694,970              
Additional Funding Termination, Minimum Equity Financing Received From Third Party                                   $ 10,000,000            
Sierra Springs Opportunity Fund, Inc. (SSOF) [Member] | Conversion of Advances into SSOF Common Stock [Member]                                                
Debt Conversion, Converted Instrument, Shares Issued (in shares)   3,880,556                                            
Debt Instrument, Convertible, Conversion Price (in dollars per share)   $ 1.8                                            
Quantum Generative Materials LLC (GenMat) [Member]                                                
Equity Method Investment, Ownership Percentage           48.19% 48.19%     48.19%   48.19%       48.19%   31.97%         50.00%  
Investment Owned, Balance, Shares (in shares)                                   235,000         465,000  
Equity Method Investment, Committed Amount                                             $ 15,000,000  
Equity Method Investment, Contingent Commitment                                             35,000,000  
Payments to Acquire Equity Method Investments                         $ 5,000,000 $ 5,000,000     $ 9,714,364              
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)                             3,000,000                  
Payments For Make-whole Deficiency in Common Stock Value                   $ 2,164,364 2,100,000                          
Income (Loss) from Equity Method Investments           $ (282,764) $ (606,935)   $ (345,586) $ (1,173,139) (789,208)                          
Number of Employees on Board of Directors           3 3     3                            
Number of Votes Per Employee on Board of Directors           1 1     1                            
Number of Votes for Founder on Board of Directors           4 4     4                            
Equity Method Investment, Maximum Additional Funding Agreed                                   $ 25,000,000            
Equity Method Investment, Monthly Additional Funding Agreed                                   $ 500,000            
Investment Owned, Balance, Shares Cancelled (in shares)                                   230,000            
Quantum Generative Materials LLC (GenMat) [Member] | Cash [Member]                                                
Equity Method Investment, Committed Amount                                             5,000,000  
Quantum Generative Materials LLC (GenMat) [Member] | Common Stock [Member]                                                
Equity Method Investment, Committed Amount                                             $ 10,000,000  
Pelen LLC [Member]                                                
Equity Method Investment, Ownership Percentage         25.00% 25.00% 25.00%     25.00%   25.00%       25.00%                
Payments to Acquire Equity Method Investments         $ 602,500                                      
Income (Loss) from Equity Method Investments             $ 6,054   $ 4,487 $ (3,646) $ (17,056)                          
Research and Development Company [Member]                                                
Equity Method Investment, Ownership Percentage 40.00%         40.00% 40.00%     40.00%   0.00%       0.00%                
Payments to Acquire Equity Method Investments $ 100,000           $ 60,000     $ 180,000                            
Income (Loss) from Equity Method Investments             (48,400)     (48,400)                            
Equity Method Investment, Number of Shares to be Purchased (in shares) 4,000,000                                              
Equity Method Investment, Percent of Fully-diluted Issued and Outstanding Capital Stock 40.00%                                              
Equity Method Investment, Investment Funding Agreed $ 1,500,000                                              
Equtiy Method Investment, Monthly Payment Until Completion of the First Project 20,000                                              
Equity Method Investment, Payment Upon Completion of the First Project 205,000                                              
Equity Method Investment, Monthly Payment Until Fully Paid After Completion of Phase 1 30,000                                              
Equtiy Method Investment, Payment on Completion of the First Six Projects 205,000                                              
Equity Method Investment, Implied Interest $ 214,039                                              
Investment Interest Rate 9.76%                                              
Payable, Investment, Purchase           $ 1,150,424 $ 1,150,424     1,150,424                            
Green Li Ion [Member]                                                
Investment Owned, Balance, Shares (in shares)     35,662                                     37,162    
Proceeds from Limited Partnership Investments     $ 795,510                                          
Sales Commissions and Fees     $ 15,910                                          
Investment Owned, Shares Sold (in shares)     1,500                                          
Investment, Sold, Price Per Share (in dollars per share)     $ 530.34                                          
Realized Investment Gains (Losses)     $ 597,248                                          
Investment Owned, Shares, Evaluation, Cash Rate (in dollars per share)     $ 530.34                                          
Unrealized Gain (Loss) on Investments                       $ 14,577,627                        
Sierra Springs Opportunity Fund, Inc. (SSOF) [Member]                                                
Unrealized Gain (Loss) on Investments                       $ 11,725,000                        
Advances to Affiliate                                     $ 6,985,000          
Payments to Acquire Investments                   $ 530,000                            
Invesment Purchased, Price Per Share (in dollars per share)           $ 1.8 $ 1.8     $ 1.8                            
American Battery Technology Company (ABTC) [Member]                                                
Investment Owned, Balance, Shares (in shares)       9,076,923         9,076,923   9,076,923                 9,076,923        
Proceeds from Sale, Maturity and Collection of Investments               $ 5,456,920                                
Investment Owned, Fair Value       $ 7,100,000         $ 7,100,000   $ 7,100,000                   $ 9,365,000      
Sales Commissions and Fees               $ 90,939                                
Investment Owned, Shares Sold (in shares)               9,076,923                                
Investment, Shares Returned (in shares)       1,923,077                                        
Escrow Deposit Released       $ 1,500,000                                        
Investment Income, Net                 $ 765,000   $ 765,000                          
Minimum [Member] | Affiliated Companies [Member]                                                
Equity Method Investment, Ownership Percentage           20.00% 20.00%     20.00%                            
Maximum [Member] | Affiliated Companies [Member]                                                
Equity Method Investment, Ownership Percentage           50.00% 50.00%     50.00%