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Note 4 - Intangible Assets and Goodwill (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Amortization of Intangible Assets $ 103,524 $ 83,048  
Goodwill, Ending Balance 6,857,790   $ 6,857,790
Helomics Holding Corp. [Member]      
Goodwill, Ending Balance 0   0
Goodwill, Impaired, Accumulated Impairment Loss 23,790,290   23,790,290
zPREDICTA [Member]      
Goodwill, Ending Balance 6,857,790   6,857,790
Goodwill, Impaired, Accumulated Impairment Loss $ 0   $ 0