Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Subsequent Events (Details Textual)

v3.21.2
Note 8 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended
Jul. 31, 2021
Aug. 10, 2021
MD Anderson [Member]    
Payments For Research And Development Agreement $ 0.2  
Entity Affiliated with Dr. Waldemar Priebe [Member] | Warrants Issued for Portfolio Development Advisory Agreement [Member]    
Warrants and Rights Outstanding, Term (Year)   10 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)   250,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)   $ 3.08