Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Stock options outstanding and vested (Details)

v3.20.2
Stock Based Compensation - Stock options outstanding and vested (Details)
12 Months Ended
Aug. 31, 2020
$ / shares
shares
Exercise Prices One [Member] | Minimum  
Exercise Prices $ 3.44
Exercise Prices One [Member] | Maximum  
Exercise Prices 10.00
Exercise Prices Two [Member] | Minimum  
Exercise Prices 10.01
Exercise Prices Two [Member] | Maximum  
Exercise Prices 40.00
Exercise Prices Three [Member] | Minimum  
Exercise Prices 40.01
Exercise Prices Three [Member] | Maximum  
Exercise Prices 80.00
Exercise Prices Four [Member] | Minimum  
Exercise Prices 80.01
Exercise Prices Four [Member] | Maximum  
Exercise Prices 120.00
Exercise Prices Five [Member] | Minimum  
Exercise Prices 120.01
Exercise Prices Five [Member] | Maximum  
Exercise Prices 160.00
Exercise Prices Six [Member] | Minimum  
Exercise Prices 160.01
Exercise Prices Six [Member] | Maximum  
Exercise Prices $ 391.60
Options Vested Two [Member]  
Number of options vested | shares 1,636
Weighted Average Remaining Contractual Life In Years 8 years 9 months 18 days
Weighted Average Exercise Price $ 24.84
Options Vested Three [Member]  
Number of options vested | shares 7,798
Weighted Average Exercise Price $ 51.22
Weighted Average Remaining Contractual Life In Years 8 years 7 months 6 days
Options Vested Four [Member]  
Number of options vested | shares 7,295
Weighted Average Exercise Price $ 102.63
Weighted Average Remaining Contractual Life In Years 7 years 8 months 12 days
Options Vested Five [Member]  
Number of options vested | shares 10,558
Weighted Average Exercise Price $ 155.41
Weighted Average Remaining Contractual Life In Years 7 years
Options Vested Six [Member]  
Number of options vested | shares 1,124
Weighted Average Remaining Contractual Life In Years 6 years 10 months 24 days
Weighted Average Exercise Price $ 391.60
Options Vested [Member]  
Number of options vested | shares 28,411
Weighted Average Exercise Price $ 115.09
Weighted Average Remaining Contractual Life In Years 7 years 2 months 12 days
Options Outstanding and Exercisable One [Member]  
Number of shares non-exercisable | shares 1,357,137
Weighted Average Remaining Contractual Life In Years 9 years 10 months 24 days
Weighted Average Exercise Price $ 5.31
Options Outstanding and Exercisable Two [Member]  
Number of options | shares 3,917
Weighted Average Remaining Contractual Life In Years 8 years 9 months 18 days
Weighted Average Exercise Price $ 23.00
Options Outstanding and Exercisable Three [Member]  
Number of options | shares 13,509
Weighted Average Remaining Contractual Life In Years 8 years 7 months 6 days
Weighted Average Exercise Price $ 51.21
Options Outstanding and Exercisable Four [Member]  
Number of options | shares 10,427
Weighted Average Remaining Contractual Life In Years 7 years 8 months 12 days
Weighted Average Exercise Price $ 102.92
Options Outstanding and Exercisable Five [Member]  
Number of options | shares 12,625
Weighted Average Remaining Contractual Life In Years 7 years
Weighted Average Exercise Price $ 155.28
Options Outstanding And Exercisable Six [Member]  
Number of options | shares 1,124
Weighted Average Remaining Contractual Life In Years 6 years 10 months 24 days
Weighted Average Exercise Price $ 391.60
Options Outstanding and Exercisable [Member]  
Number of shares non-exercisable | shares 1,357,137
Number of options | shares 41,603
Weighted Average Remaining Contractual Life In Years 7 years 8 months 12 days
Weighted Average Exercise Price $ 8.17