v3.26.1
Note 8 - Revenue Recognition - Revenue by Geographic Region (Details) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net sales $ 2,872,222 $ 2,481,127
UNITED STATES    
Net sales 2,236,248 1,757,267
Non-US [Member]    
Net sales $ 635,974 $ 723,860