Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Investment in Macrophage Therapeutics, Inc. (Details Textual)

v3.19.1
Note 7 - Investment in Macrophage Therapeutics, Inc. (Details Textual) - shares
Mar. 07, 2019
Aug. 31, 2018
Complaint By Dr. Goldberg Against Navidea and MT [Member]    
Litigation Case, Number of Shares of Common Stock Failed to Issue 1,175,000  
MT [Member] | Dr. Michael Goldberg [Member]    
Resignation Agreement, Subidiary Percentage Ownership After Signing   5.00%