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Note 15 - Segments (Details Textual)	12 Months Ended
Note 15 - Segments (Details Textual)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Number of Operating Segments	2
Number of Tumor Samples	150,000
Eagan [Member] \| Revenue from Contract with Customer, Segment Benchmark [Member] \| Customer Concentration Risk [Member]
Number of Customers	1
Eagan [Member] \| Revenue from Contract with Customer, Segment Benchmark [Member] \| Customer Concentration Risk [Member] \| One Individual [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 459,369
Eagan [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Number of Customers	1
Eagan [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| One Individual [Member]
Accounts Receivable, after Allowance for Credit Loss	$ 144,880
Pittsburgh [Member] \| Revenue from Contract with Customer, Segment Benchmark [Member] \| Customer Concentration Risk [Member]
Number of Customers		1
Pittsburgh [Member] \| Revenue from Contract with Customer, Segment Benchmark [Member] \| Customer Concentration Risk [Member] \| One Individual [Member]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 489,921
Pittsburgh [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Number of Customers		1
Pittsburgh [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| One Individual [Member]
Accounts Receivable, after Allowance for Credit Loss		$ 52,072