Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details)

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Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Sales revenue $ 7,516 $ 9,116 $ 14,035 $ 44,665
Sales Revenue [Member]        
Sales revenue 7,516 0 14,035 0
License [Member]        
Sales revenue 0 9,116 0 44,665
Diagnostics Segment [Member] | License [Member]        
Sales revenue   9,116   44,665
Diagnostics Segment [Member] | Europe [Member] | Sales Revenue [Member]        
Sales revenue 7,516 0 14,035 0
Diagnostics Segment [Member] | Europe [Member] | License [Member]        
Sales revenue $ 0 $ 9,116 $ 0 $ 44,665