Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details - Option activity)

v3.20.2
STOCK-BASED COMPENSATION (Details - Option activity) - Equity Option
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Options outstanding, beginning balance (shares) | shares 28,105  
Options outstanding, granted (shares) | shares 6,105  
Options outstanding, exercised (shares) | shares (469)  
Options outstanding, forfeited (shares) | shares (7,080)  
Options outstanding, ending balance (shares) | shares 26,661 28,105
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]    
Weighted average exercise price, beginning balance (in USD per share) | $ / shares $ 0.80  
Weighted average exercise price, granted (in USD per share) | $ / shares 0.41  
Weighted average exercise price, exercised (in USD per share) | $ / shares 0.97  
Weighted average exercise price, forfeited (in USD per share) | $ / shares 1.15  
Weighted average exercise price, ending balance (in USD per share) | $ / shares $ 0.44 $ 0.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Options outstanding, exercisable (shares) | shares 21,082  
Options outstanding, vested or expected to vest (shares) | shares 26,661  
Weighted average exercise price, exercisable (in USD per share) | $ / shares $ 0.38  
Weighted average exercise price, vested or expected to vest (in USD per share) | $ / shares $ 0.44  
Weighted average remaining contract term 5 years 6 months 5 years 4 months 24 days
Weighted average remaining contract term, exercisable 4 years 6 months  
Weighted average remaining contract term, vested or expected to vest 5 years 6 months  
Aggregate intrinsic value | $ $ 5,370 $ 12,335
Aggregate intrinsic value, exercisable | $ 4,465  
Aggregate intrinsic value, vested or expected to vest | $ $ 5,370