XML 55 R43.htm IDEA: XBRL DOCUMENT v3.21.2
OPTIONS AND WARRANTS TO PURCHASE COMMON STOCK (Details 2)
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Outstanding at beginning of year (in shares) | shares 56,661,515
Granted (in shares) | shares 0
Exercised (in shares) | shares 9,528,689
Forfeited (in shares) | shares (2,391,981)
Outstanding at end of year (in shares) | shares 44,740,845
Outstanding at beginning of year (in dollars per share) | $ / shares $ 0.28
Granted (in dollars per share) | $ / shares 0
Exercised (in dollars per share) | $ / shares 0.06
Forfeited (in dollars per share) | $ / shares 0.24
Outstanding at end of year (in dollars per share) | $ / shares $ 0.33