Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Commitments and Contingencies (Details Textual)

Note 10 - Commitments and Contingencies (Details Textual)							1 Months Ended				3 Months Ended
	Nov. 27, 2019 USD ($)	Apr. 26, 2019	Aug. 14, 2018	Apr. 09, 2018 USD ($)	Nov. 02, 2017 USD ($)	Mar. 03, 2017 USD ($)	Dec. 31, 2019 USD ($) shares	Nov. 30, 2018 shares	Nov. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2019 USD ($) shares	Mar. 31, 2019 USD ($) shares	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Feb. 14, 2020 USD ($)	Dec. 31, 2018 USD ($)	Aug. 31, 2018 shares
Stock Issued During Period, Shares, New Issues (in shares) \| shares							2,100,000
Stockholders' Equity Attributable to Parent, Ending Balance							$ (1,612,292)						$ (2,354,019)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance							(880,989)				$ 2,931,507	$ 94,635	(1,622,715)	$ (1,091,039)		$ 2,410,460
Market Capitalization, Fair Value													96,700,000
Pro Forma [Member]
Stockholders' Equity Attributable to Parent, Ending Balance															$ 6,000,000
Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares) \| shares											8,000,000	17,857
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance							$ 210,232				$ 209,056	$ 201,048	$ 215,545	$ 212,191		$ 200,391
Former Chief Executive Officer and President [Member]
Common Stock Shares Provided by Agreement (in shares) \| shares																	1,175,000
Common Stock Shares Provided by Agreement, Escrow Period (Month)			1 year 180 days
Former Chief Executive Officer and President [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares) \| shares								925,000
Stock Issued During Period, Shares, New Issues Placed in Escrow (in shares) \| shares								250,000
Former Chief Executive Officer and President [Member] \| MT [Member] \| Common Stock [Member] \| Dr. Michael Goldberg [Member]
Ownership Percentage							5.00%
CRG [Member]
Draws on Letter of Credit				$ 7,100,000
CRG Loan Agreement, Texas Case [Member] \| Judicial Ruling [Member]
Loss Contingency, Damages Awarded, Value, Additional Amount						$ 7,000,000
Loss Contingency, Damages Awarded, Value, Amount not Taken into Consideration										$ 4,100,000
Ohio Court of Common Pleas [Member]
Litigation Settlement, Amount Awarded from Other Party	$ 4,300,000
Platinum-Montaur Life Sciences LLC Litigation [Member]
Loss Contingency, Damages Sought, Value									$ 1,900,000
Platinum-Montaur Life Sciences LLC Litigation [Member] \| Pending Litigation [Member]
Loss Contingency, Damages Sought, Value					$ 1,900,000
Maximum [Member] \| Before Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio		20
CRG [Member] \| Term Loan Agreement [Member] \| CRG Loan Agreement, Texas Case [Member] \| Judicial Ruling [Member]
Repayments of Debt						59,000,000
CRG [Member] \| Term Loan Agreement [Member] \| Maximum [Member]
Debt Instrument, Agreed-upon Final Payoff Amount						$ 66,000,000