Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Commitments and Contingencies (Details Textual)

Note 11 - Commitments and Contingencies (Details Textual) - USD ($)							1 Months Ended					3 Months Ended
	Apr. 21, 2021	Mar. 16, 2021	Nov. 27, 2019	Apr. 09, 2018	Nov. 02, 2017	Mar. 03, 2017	Dec. 31, 2019	Nov. 30, 2018	Aug. 31, 2018	Nov. 30, 2017	Jun. 30, 2016	Jun. 30, 2021	Dec. 31, 2020
Stock Issued During Period, Shares, New Issues (in shares)							2,100,000
Stockholders' Equity Attributable to Parent, Ending Balance												$ 5,704,870	$ 1,315,604
Market Capitalization, Fair Value												$ 55,200,000
Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)												0
Former Chief Executive Officer and President [Member]
Common Stock Shares Provided by Agreement (in shares)									1,175,000
Common Stock Shares Provided by Agreement, Escrow Period (Month)									18 months
Former Chief Executive Officer and President [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)								925,000
Stock Issued During Period, Shares, New Issues Placed in Escrow (in 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						$ 7,000,000.0
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
Litigation Settlement, Reversal of 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
New York Litigation Involving Former CEO and President [Member] \| Judicial Ruling [Member]
Litigation Settlement, Amount Can Be Awarded to Other Party for Indemnification for Attorneys’ Fees	$ 14,955
Litigation Settlement, Amount Can Be Advanced to Other Party for Attorneys’ Fees Subject to Repayment	$ 1,237.50
CRG [Member] \| Term Loan Agreement [Member] \| CRG Loan Agreement, Texas Case [Member] \| Judicial Ruling [Member]
Repayments of Debt						59,000,000.0
CRG [Member] \| Term Loan Agreement [Member] \| Maximum [Member]
Debt Instrument, Agreed-upon Final Payoff Amount						$ 66,000,000.0