v3.26.1
Note 3 - Investments - Summary of Investments (Details) - USD ($)
Jun. 30, 2026
Apr. 18, 2026
Dec. 31, 2025
Equity Method Investments $ 49,011,855   $ 21,304,371
Alternative Measurement Method Investments 18,201,065   18,201,065
Total Investments 67,212,920   39,505,436
Sierra Springs Opportunity Fund, Inc. (SSOF) [Member]      
Equity Method Investments $ 49,011,855   $ 20,225,000
Ownership percentage 47.63%   16.99%
Research and Development Company [Member]      
Equity Method Investments $ 0   $ 1,079,371
Ownership percentage 0.00%   40.00%
Green Li-ion Pte, Ltd. [Member]      
Ownership percentage 11.98% 11.98% 13.34%
Alternative Measurement Method Investments $ 18,201,065   $ 18,201,065