Note 8 - Significant Events	9 Months Ended
Sep. 30, 2022
Notes to Financial Statements
Effect of Covid 19 Pandemic [Text Block]	Note 8 - Significant Events The COVID-19 pandemic continues to have a major impact in the U.S. and around the world. The availability of vaccines holds promise for the future, though new variants of the virus and potential waning immunity from vaccines may result in continued impact from this pandemic in the future, which could adversely impact our operations. Through March 31, 2021, the Company had not experienced any material impact on its financial results or operations as a result of the COVID-19 pandemic. Beginning in June 2021, the Company experienced delays in engaging clinical sites as a result of a backlog of clinical trial protocols requiring review created by an accumulation of clinical trial protocols. The Company also has experienced disruptions in our supply chain regarding our manufacturing and testing operations. The Company continues to closely monitor the impact of the COVID-19 pandemic on its business and workforce.

Note 8 - Significant Events

9 Months Ended

Sep. 30, 2022

Effect of Covid 19 Pandemic [Text Block]

Note 8 - Significant Events

The COVID-19 pandemic continues to have a major impact in the U.S. and around the world. The availability of vaccines holds promise for the future, though new variants of the virus and potential waning immunity from vaccines may result in continued impact from this pandemic in the future, which could adversely impact our operations. Through March 31, 2021, the Company had not experienced any material impact on its financial results or operations as a result of the COVID-19 pandemic. Beginning in June 2021, the Company experienced delays in engaging clinical sites as a result of a backlog of clinical trial protocols requiring review created by an accumulation of clinical trial protocols. The Company also has experienced disruptions in our supply chain regarding our manufacturing and testing operations. The Company continues to closely monitor the impact of the COVID-19 pandemic on its business and workforce.