v3.19.3
Note 4 - Property and Equipment, Net - Property and Equipment, Net (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Property and equipment, gross $ 51 $ 51
Less accumulated depreciation (45) (41)
Property and equipment, net 6 10
Furniture and Fixtures [Member]    
Property and equipment, gross 29 29
Office Equipment [Member]    
Property and equipment, gross 2 2
Computer Equipment [Member]    
Property and equipment, gross 18 18
Laboratory Equipment [Member]    
Property and equipment, gross $ 2 $ 2