Note 1 - Summary of Significant Accounting Policies (Details Textual)			1 Months Ended	6 Months Ended		12 Months Ended
	Oct. 28, 2019	Oct. 24, 2019 USD ($)	Oct. 31, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Apr. 04, 2019	Mar. 31, 2018
Retained Earnings (Accumulated Deficit), Ending Balance				$ (90,605,406)		$ (82,498,711)
Cash and Cash Equivalents, at Carrying Value, Ending Balance				3,394,078		150,831
Long-term Debt, Current Maturities, Total				5,466,830
Proceeds from Debt and Equity Financing, Net				9,874,355
Cash Equivalents, at Carrying Value, Total				0		0
Goodwill, Impairment Loss				0		8,100,000
Net Cash Provided by (Used in) Financing Activities, Total				9,874,355	$ 4,533,813
Accounts Receivable, after Allowance for Credit Loss, Total				272,493		297,055
Contract with Customer, Liability, Total				38,582		40,384
Income Tax Expense (Benefit), Total				0
Unrecognized Tax Benefits, Ending Balance				0
Liability for Uncertainty in Income Taxes, Current				$ 0
Open Tax Year				2016 2017 2018 2019 2020
Cash, Uninsured Amount				$ 2,818,144
Licensing Agreements [Member]
Impairment of Intangible Assets (Excluding Goodwill), Total				$ 0		$ 770,250
Equity Line Purchase Agreement [Member]
Issuance or Sale of Equity, Can Be Raised		$ 15,000,000
Equity Line Purchase Agreement [Member] | Investor [Member]
Issuance or Sale of Equity, Can Be Raised			$ 15,000,000
Helomics Holding Corp. [Member]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage								25.00%
Business Acquisition, Percentage of Voting Interests Acquired							75.00%
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	10