Revolving line of Credit facility	3 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]
Revolving line of Credit facility [Text Block]	Note 5 - Revolving line of Credit facility The Company has a $1,500,000 revolving credit facility with a bank, expiring March 1, 2026. Obligations under the line of credit are secured by equipment and fixtures in the United States of America, accounts receivable and inventory of the Company. The interest rate charged transitioned from the Bloomberg Short-Term Bank Yield Index rate to the Secured Overnight Financing Rate ("SOFR") Daily Floating rate plus spread adjustments, as defined. The Company entered into a restated and amended loan agreement effective February 12, 2026, for the revolving line of credit, the restated loan agreement extended the facility with the bank to March 1, 2027, and adjusted the interest rate to the greater of the SOFR Daily Floating rate plus spread adjustment, as defined, or a floor, as defined, plus 2.7%. As of March 31, 2026, and December 31, 2025, there were no advances under the line of credit.

Note 5 - Revolving line of Credit facility

The Company has a $1,500,000 revolving credit facility with a bank, expiring March 1, 2026. Obligations under the line of credit are secured by equipment and fixtures in the United States of America, accounts receivable and inventory of the Company. The interest rate charged transitioned from the Bloomberg Short-Term Bank Yield Index rate to the Secured Overnight Financing Rate ("SOFR") Daily Floating rate plus spread adjustments, as defined. The Company entered into a restated and amended loan agreement effective February 12, 2026, for the revolving line of credit, the restated loan agreement extended the facility with the bank to March 1, 2027, and adjusted the interest rate to the greater of the SOFR Daily Floating rate plus spread adjustment, as defined, or a floor, as defined, plus 2.7%. As of March 31, 2026, and December 31, 2025, there were no advances under the line of credit.