v3.19.3
Note 5 - Prepaid Expenses and Other Current Assets (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Prepaid and Other Current Assets [Table Text Block]
   
September 30,
   
December 31,
 
   
2019
   
2018
 
Prepaid clinical trial expenses
  $
512
    $
-
 
Equity issuance costs
   
740
     
-
 
Prepaid insurance
   
471
     
5
 
Other prepaid expenses
   
237
     
5
 
Total prepaid and other current assets
  $
1,960
    $
10