Note 1 - Summary of Significant Accounting Policies (Details Textual)			1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 28, 2019	Oct. 24, 2019 USD ($) shares	Oct. 31, 2019 USD ($) shares	Mar. 27, 2020 USD ($)	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($)	Apr. 04, 2019 USD ($)	Jan. 01, 2019 USD ($)	Mar. 31, 2018
Retained Earnings (Accumulated Deficit), Ending Balance					$ (82,498,711)	$ (63,107,945)
Cash and Cash Equivalents, at Carrying Value, Ending Balance					150,831	162,152
Long-term Debt, Current Maturities, Total					6,213,507
Stock Issued During Period, Value, New Issues						2,755,087
Operating Lease, Right-of-Use Asset					729,745
Operating Lease, Liability, Current					459,481
Cash Equivalents, at Carrying Value, Total					0	0
Depreciation, Total					414,331	84,995
Amortization of Intangible Assets, Total					290,552	62,633
Intangible Assets, Net (Excluding Goodwill), Total					3,649,412	964,495
Impairment of Intangible Assets (Excluding Goodwill), Total					770,250
Goodwill, Ending Balance					15,690,290
Goodwill, Impairment Loss					8,100,000	0
Income Tax Expense (Benefit), Total					0
Unrecognized Tax Benefits, Ending Balance					0
Liability for Uncertainty in Income Taxes, Current					$ 0
Open Tax Year					2015 2016 2017 2018 2019
Advertising Expense					$ 21,166	43,548
Research and Development Expense, Total					422,964	526,257
Capitalized Offering Costs					324,459
Product Warranty Expense					$ 15,717	$ 10,682
Measurement Input, Expected Cash Flow Term [Member]
Reporting Unit Measurement Input					20
Measurement Input, Long-term Revenue Growth Rate [Member]
Reporting Unit Measurement Input					3
Measurement Input, Discount Rate [Member]
Reporting Unit Measurement Input					18.3
Measurement Input, Risk Premium [Member]
Reporting Unit Measurement Input					7
Licensing Agreements [Member]
Amortization of Intangible Assets, Total					$ 58,500
Impairment of Intangible Assets (Excluding Goodwill), Total					770,250
Promissory Notes Receivable [Member]
Financing Receivable, Allowance for Credit Loss, Ending Balance					$ 1,037,524
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset								$ 353,007
Operating Lease, Liability, Current								$ 79,252
Subsequent Event [Member]
Proceeds from Debt and Equity Financing, Net				$ 6,159,906
Equity Line Purchase Agreement [Member]
Issuance or Sale of Equity, Can Be Raised		$ 15,000,000
Stock Issued During Period, Shares, New Issues | shares		104,651			122,356
Stock Issued During Period, Value, New Issues		$ 450,000			$ 319,196
Equity Line Purchase Agreement [Member] | Investor [Member]
Issuance or Sale of Equity, Can Be Raised			$ 15,000,000
Stock Issued During Period, Shares, New Issues | shares			122,356
Stock Issued During Period, Value, New Issues			$ 319,196
Helomics Holding Corp. [Member]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage									25.00%
Business Acquisition, Percentage of Voting Interests Acquired							75.00%
Goodwill, Ending Balance							$ 23,790,290
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	10