Note 6 - Investment in Macrophage Therapeutics, Inc. (Details Textual)
|1 Months Ended|
Mar. 31, 2015
|Macrophage Therapeutics [Member]|
|Convertible Preferred Stock Shares Issued Upon Conversion, Per Unit (in shares)||1|
Represents the number of convertible preferred stock shares issued upon conversion per unit.
No definition available.