• Filing Date: 2021-04-16
  • Form Type: 10-K/A
  • Description: Annual report (Amendment)
v3.21.1
E. STOCKHOLDERS' EQUITY (Details) - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Equity [Abstract]    
Number of warrants outstanding, beginning 10,519,945 10,690,718
Number of warrants, issued 11,310,480  
Number of warrants, exercised (877,202) (50,000)
Number of warrants, expired (4,354,144) (120,773)
Number of warrants outstanding, ending 16,599,079 10,519,945
Weighted average exercise price outstanding, beginning $ 1.94 $ 2.45
Weighted average exercise price, issued .98  
Weighted average exercise price, exercised 1.93 1.93
Weighted average exercise price, expired 1.93 47.30
Weighted average exercise price outstanding, ending $ 1.29 $ 1.94