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Note 12 - Subsequent Events	3 Months Ended
Note 12 - Subsequent Events	Mar. 31, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	12. Subsequent Events CARES Act Paycheck Protection Program Loan On April 17, 2020, we received a $170,200 bank loan backed by the United States Small Business Administration pursuant to the Paycheck Protection Program (PPP) provisions of the Coronavirus Aid, Relief, and Economic Security (CARES) Act. The loan bears an annual interest rate of one percent and is due April 17, 2022. No payments of principal or interest will be due until 180 days after the disbursement date. Commencing November 17, 2020, monthly payments of $9,578.16 will be due. Amounts due may be prepaid without penalty. We may apply to the lender to have the principal amount reduced upon providing qualifying information regarding eligible expenses to the lender.