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 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Sales revenue $ 6,519 $ 13,063 $ 6,519 $ 35,549
Sales Revenue [Member]        
Sales revenue 6,519 0 6,519 0
License [Member]        
Sales revenue 0 13,063 0 35,549
Diagnostics Segment [Member] | License [Member]        
Sales revenue   13,063   35,549
Diagnostics Segment [Member] | Europe [Member] | Sales Revenue [Member]        
Sales revenue 6,519 0 6,519 0
Diagnostics Segment [Member] | Europe [Member] | License [Member]        
Sales revenue $ 0 $ 13,063 $ 0 $ 35,549