XML 75 R76.htm IDEA: XBRL DOCUMENT v3.20.1
Share-Based Compensation (Summary Of Option Activity) (Details) - Stock Options [Member]
shares in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, Shares, Beginning of year | shares 1,228
Granted, Shares | shares 10,550
Exercised, Shares | shares
Forfeited, Shares | shares (64)
Expired, Shares | shares (304)
Outstanding, Shares, End of year | shares 11,410
Outstanding, Weighted Average Exercise Price, Beginning of year | $ / shares $ 7.09
Granted, Weighted Average Exercise Price | $ / shares 0.17
Exercised, Weighted Average Exercise Price | $ / shares
Forfeited, Weighted Average Exercise Price | $ / shares 0.63
Expired, Weighted Average Exercise Price | $ / shares 22.18
Outstanding, Weighted Average Exercise Price, End of year | $ / shares $ 0.33
Outstanding, Weighted Average Remaining Contractual Term 4 years 7 months 6 days
Outstanding, Aggregate Intrinsic Value | $
Vested and expected to vest at end of year, shares | shares 3,435
Vested and expected to vest at end of year, weighted average exercise price | $ / shares $ 0.68
Vested and expected to vest at end of year, weighted average remaining contractual term 4 years 8 months 1 day
Vested and expected to vest at end of year, aggregate intrinsic value | $