Annual report pursuant to Section 13 and 15(d)

Note 10 - Warrant Liability (Tables)

v3.20.1
Note 10 - Warrant Liability (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   
Warrant Liability
 
Ending balance December 31, 2017
  $
84
 
Change in fair value
   
39
 
Exercises
   
(123
)
Ending balance December 31, 2018
  $