Note 7 - Notes Payable

6 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Debt Disclosure [Text Block]

7. Notes Payable

GRA Note – On February 28, 2018, we entered into a Senior Note Purchase Agreement with Georgia Research Alliance, Inc. (GRA) pursuant to which we issued a five-year Senior Promissory Note (the “GRA Note”) to GRA in exchange for $50,000. The GRA Note bore an annual interest rate of five percent. Interest expense related to the GRA Note for the three-month and six-month periods ended June 30, 2021 was $297 and $633, respectively, as compared to $448 and $933, respectively, for the same periods of 2020. During May 2021, we repaid the remaining principal balance of $22,737 and retired the GRA Note.

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 (SBA) pursuant to the Paycheck Protection Program (PPP) provisions of the Coronavirus Aid, Relief, and Economic Security (CARES) Act. The loan bore an annual interest rate of one percent. We recorded accrued interest expense related to the PPP Loan of $233 and $653 for the three-month and six-month periods ended June 30, 2021, respectively, as compared to $345 and $345, respectively, for the same periods of 2020. During May 2021, upon receiving payment from the SBA, the lender forgave the full principal balance of $170,200 together with $1,856 of accrued interest and extinguished the PPP Loan.