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 ($)	May 15, 2020 USD ($)	Oct. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Apr. 04, 2019	Mar. 31, 2018
Retained Earnings (Accumulated Deficit), Ending Balance					$ (87,028,028)		$ (82,498,711)
Cash and Cash Equivalents, at Carrying Value, Ending Balance					3,056,243		150,831
Long-term Debt, Current Maturities, Total					7,788,706
Proceeds from Debt and Equity Financing, Net					5,910,903
Goodwill, Impairment Loss					0		8,100,000
Proceeds from Issuance of Common Stock					3,127,818	$ 2,479,709
Accounts Receivable, after Allowance for Credit Loss, Total					269,777		297,055
Contract with Customer, Liability, Total					44,129		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
Cash, Uninsured Amount					$ 2,744,429
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
Private Placement [Member] | Subsequent Event [Member]
Proceeds from Issuance of Common Stock			$ 1,930,101
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