Annual report pursuant to Section 13 and 15(d)

STOCK OPTION PLANS (Details 2)

v3.19.1
STOCK OPTION PLANS (Details 2)
 12 Months Ended
Dec. 31, 2018
$ / shares
shares
2015 Equity Incentive Plan [Member]  
Number of options outstanding | shares 5,525,405
Number of Options exercisable | shares 3,169,686
2015 Equity Incentive Plan [Member] | $2.31​-$4.45 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 2.31
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 4.45
Number of options outstanding | shares 2,252,855
Weighted average Remaining life in years 6 years 8 months 12 days
Weighted average Exercise Price $ 3.51
Number of Options exercisable | shares 1,593,792
Weighted-average Remaining life in years 6 years 3 months 18 days
Weighted-average Exercise price $ 3.42
2015 Equity Incentive Plan [Member] | $5.90​-$9.23 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit 5.90
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 9.23
Number of options outstanding | shares 1,645,800
Weighted average Remaining life in years 6 years 6 months
Weighted average Exercise Price $ 7.46
Number of Options exercisable | shares 1,191,561
Weighted-average Remaining life in years 5 years 4 months 24 days
Weighted-average Exercise price $ 7.25
2015 Equity Incentive Plan [Member] | $11.43​-$14.45 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit 11.43
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 14.45
Number of options outstanding | shares 591,700
Weighted average Remaining life in years 9 years 6 months
Weighted average Exercise Price $ 13.20
Number of Options exercisable | shares 50,000
Weighted-average Remaining life in years 9 years 2 months 12 days
Weighted-average Exercise price $ 13.65
2015 Equity Incentive Plan [Member] | $15.25​-$17.3 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit 15.25
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 17.30
Number of options outstanding | shares 1,035,050
Weighted average Remaining life in years 9 years
Weighted average Exercise Price $ 16.09
Number of Options exercisable | shares 334,333
Weighted-average Remaining life in years 8 years 10 months 24 days
Weighted-average Exercise price $ 16.04
2005 Equity Incentive Plan [Member]  
Number of options outstanding | shares 316,400
Number of Options exercisable | shares 316,400
2005 Equity Incentive Plan [Member] | $3.25-$3.25 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit $ 3.25
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 3.25
Number of options outstanding | shares 120,000
Weighted average Remaining life in years 1 year 1 month 6 days
Weighted average Exercise Price $ 3.25
Number of Options exercisable | shares 120,000
Weighted-average Remaining life in years 1 year 1 month 6 days
Weighted-average Exercise price $ 3.25
2005 Equity Incentive Plan [Member] | $11.50-$18.50 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit 11.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 18.50
Number of options outstanding | shares 189,000
Weighted average Remaining life in years 3 years 10 months 24 days
Weighted average Exercise Price $ 18.35
Number of Options exercisable | shares 189,000
Weighted-average Remaining life in years 3 years 10 months 24 days
Weighted-average Exercise price $ 18.35
2005 Equity Incentive Plan [Member] | $30.50-$122.50 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit 30.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 122.50
Number of options outstanding | shares 7,400
Weighted average Remaining life in years 2 years 1 month 6 days
Weighted average Exercise Price $ 83.72
Number of Options exercisable | shares 7,400
Weighted-average Remaining life in years 2 years 1 month 6 days
Weighted-average Exercise price $ 83.72