Annual report pursuant to Section 13 and 15(d)

Note 15 - Equity Instruments (Tables)

v3.20.1
Note 15 - Equity Instruments (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   
Exercise
Price
   
Number of
Warrants
 
Expiration Date
Series HH
  $
49.80
     
15,060
 
6/25/2023
Series KK
   
38.36
     
19,550
 
3/4/2021
Series LL
   
0.20
     
218,264
 
8/20/2035
Series NN
   
30.00
     
550,000
 
3/3/2022
Series OO
   
0.9375
     
600,000
 
6/13/2024
Total warrants
  $
13.26
  *    
1,402,874