Annual report pursuant to Section 13 and 15(d)

Equity (Tables)

v3.20.1
Equity (Tables)
12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Summary of stock option activities

    Number of
Options
    Weighted
Average
Exercise
Price
    Weighted
Average
Remaining
Contractual
Term
(in years)
    Aggregate
Intrinsic
Value
 
Outstanding, January 1, 2018     5,174,592       2.83       7.95       2,648  
Granted     3,577,159       0.69                  
Cancelled     (1,515,650 )     2.96                  
Outstanding, December 31, 2018     7,236,101       1.74       7.97       6,400  
Granted     5,833,500       0.27                  
Cancelled     (1,684,300 )     0.48                  
Outstanding, December 31, 2019     11,385,301       1.17       7.88       155  
                                 
Exercisable, December 31, 2019     4,915,006       2.10       6.34       -  
Summary of warrant activities
    Number of
Warrants
    Weighted
Average
Exercise
Price
    Weighted
Average
Remaining
Contractual
Term
(in years)
    Aggregate
Intrinsic
Value
 
Outstanding, January 1, 2018     25,662,340       1.89       3.62       995,373  
Granted     30,360,466       0.67                  
Exercised     (7,332 )     0.66                  
Cancelled     (194,598 )     9.00                  
Outstanding, December 31, 2018     55,820,876       1.20       2.04       569,038  
Granted     42,900,000       0.50                  
Exercised     (2,543,826 )     0.59                  
Cancelled     (10,036,475 )     2.76                  
Outstanding, December 31, 2019     86,140,575       0.69       2.95       301,092  
                                 
Exercisable, December 31, 2019     85,928,076       0.68       2.95       301,092