Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Stock-based Compensation - Summary of Awards Granted (Details)

v3.22.2.2
Note 15 - Stock-based Compensation - Summary of Awards Granted (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jul. 31, 2022
USD ($)
$ / shares
shares
Shares Unvested (in shares) 3,023,320
Unrecognized Compensation Expense | $ $ 6,476,945
UNITED STATES | Award 1 [Member]  
Type of Award Time Based Only
Shares Unvested (in shares) 640,797
Weighted Average Fair Value (in dollars per share) | $ / shares $ 5.98
Unrecognized Compensation Expense | $ $ 2,351,705
UNITED STATES | Award 2 [Member]  
Type of Award 6 Market/Time- Based
Shares Unvested (in shares) 100,462
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.86
UNITED STATES | Award 4 [Member]  
Type of Award 6 Market/Time- Based [1]
Shares Unvested (in shares) 190,208 [1]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 8.65 [1]
Unrecognized Compensation Expense | $ $ 290,379 [1]
UNITED STATES | Award 5 [Member]  
Type of Award 6 Market/Time- Based [1]
Shares Unvested (in shares) 190,219 [1]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 8.65 [1]
Unrecognized Compensation Expense | $ $ 564,972 [1]
UNITED STATES | Award 6 [Member]  
Type of Award 8 Market/Time- Based
Shares Unvested (in shares) 150,697
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.46
UNITED STATES | Award 7 [Member]  
Type of Award 8 Market/Time- Based [2]
Shares Unvested (in shares) 190,209 [2]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.45 [2]
Unrecognized Compensation Expense | $ $ 32,300 [2]
UNITED STATES | Award 8 [Member]  
Type of Award 8 Market/Time- Based [2]
Shares Unvested (in shares) 190,209 [2]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.45 [2]
Unrecognized Compensation Expense | $ $ 369,730 [2]
UNITED STATES | Award 9 [Member]  
Type of Award 8 Market/Time- Based [2]
Shares Unvested (in shares) 190,218 [2]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.45 [2]
Unrecognized Compensation Expense | $ $ 562,619 [2]
UNITED STATES | Award 10 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 150,706
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.15
Unrecognized Compensation Expense | $ $ 0
UNITED STATES | Award 11 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 187,591
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.46
Unrecognized Compensation Expense | $ $ 243,003
UNITED STATES | Award 12 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 187,587
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.46
Unrecognized Compensation Expense | $ $ 425,064
UNITED STATES | Award 13 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 187,603
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.46
Unrecognized Compensation Expense | $ $ 552,270
UNITED STATES | Award 14 [Member]  
Type of Award 13 Market/Time- Based
Shares Unvested (in shares) 433
Weighted Average Fair Value (in dollars per share) | $ / shares $ 4.47
Unrecognized Compensation Expense | $ $ 0
UNITED STATES | Award 15 [Member]  
Type of Award 13 Market/Time- Based
Shares Unvested (in shares) 433
Weighted Average Fair Value (in dollars per share) | $ / shares $ 4.47
Unrecognized Compensation Expense | $ $ 361
UNITED STATES | Award 16 [Member]  
Type of Award 13 Market/Time- Based
Shares Unvested (in shares) 434
Weighted Average Fair Value (in dollars per share) | $ / shares $ 4.47
Unrecognized Compensation Expense | $ $ 674
UNITED STATES | Award 17 [Member]  
Type of Award 16 Market/Time- Based
Shares Unvested (in shares) 433
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.85
Unrecognized Compensation Expense | $ $ 36
UNITED STATES | Award 18 [Member]  
Type of Award 16 Market/Time- Based
Shares Unvested (in shares) 433
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.85
Unrecognized Compensation Expense | $ $ 408
UNITED STATES | Award 19 [Member]  
Type of Award 16 Market/Time- Based
Shares Unvested (in shares) 434
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.85
Unrecognized Compensation Expense | $ $ 644
UNITED STATES | Award 20 [Member]  
Type of Award 19 Market/Time- Based
Shares Unvested (in shares) 433
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.34
Unrecognized Compensation Expense | $ $ 122
UNITED STATES | Award 21 [Member]  
Type of Award 19 Market/Time- Based
Shares Unvested (in shares) 433
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.34
Unrecognized Compensation Expense | $ $ 408
UNITED STATES | Award 22 [Member]  
Type of Award 19 Market/Time- Based
Shares Unvested (in shares) 434
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.34
Unrecognized Compensation Expense | $ $ 595
UNITED STATES | Award 23 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 4,635
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.28
Unrecognized Compensation Expense | $ $ 11,879
UNITED STATES | Award 24 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 4,635
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.28
Unrecognized Compensation Expense | $ $ 20,865
UNITED STATES | Award 25 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 4,634
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.28
Unrecognized Compensation Expense | $ $ 24,615
UNITED STATES | Award 26 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 18,703
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.83
Unrecognized Compensation Expense | $ $ 74,590
UNITED STATES | Award 27 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 18,711
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.83
Unrecognized Compensation Expense | $ $ 95,370
UNITED STATES | Award 28 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 18,714
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.83
Unrecognized Compensation Expense | $ $ 104,470
UNITED KINGDOM | Award 29 [Member]  
Type of Award Time Based Only
Shares Unvested (in shares) 90,431
Weighted Average Fair Value (in dollars per share) | $ / shares $ 5.75
Unrecognized Compensation Expense | $ $ 298,554
UNITED KINGDOM | Award 30 [Member]  
Type of Award 6 Market/Time- Based
Shares Unvested (in shares) 19,257
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.85
Unrecognized Compensation Expense | $ $ 0
UNITED KINGDOM | Award 32 [Member]  
Type of Award 6 Market/Time- Based
Shares Unvested (in shares) 27,892
Weighted Average Fair Value (in dollars per share) | $ / shares $ 8.36
Unrecognized Compensation Expense | $ $ 42,173
UNITED KINGDOM | Award 33 [Member]  
Type of Award 6 Market/Time- Based
Shares Unvested (in shares) 27,901
Weighted Average Fair Value (in dollars per share) | $ / shares $ 8.36
Unrecognized Compensation Expense | $ $ 81,781
UNITED KINGDOM | Award 34 [Member]  
Type of Award 8 Market/Time- Based
Shares Unvested (in shares) 28,885
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.45
Unrecognized Compensation Expense | $ $ 0
UNITED KINGDOM | Award 35 [Member]  
Type of Award 8 Market/Time- Based [2]
Shares Unvested (in shares) 27,892 [2]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.20 [2]
Unrecognized Compensation Expense | $ $ 4,711 [2]
UNITED KINGDOM | Award 36 [Member]  
Type of Award 8 Market/Time- Based [2]
Shares Unvested (in shares) 27,892 [2]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.20 [2]
Unrecognized Compensation Expense | $ $ 53,591 [2]
UNITED KINGDOM | Award 37 [Member]  
Type of Award 8 Market/Time- Based [2]
Shares Unvested (in shares) 27,901 [2]
Weighted Average Fair Value (in dollars per share) | $ / shares $ 7.20 [2]
Unrecognized Compensation Expense | $ $ 81,338 [2]
UNITED KINGDOM | Award 38 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 28,886
Weighted Average Fair Value (in dollars per share) | $ / shares $ 3.14
Unrecognized Compensation Expense | $ $ 0
UNITED KINGDOM | Award 39 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 27,902
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.24
Unrecognized Compensation Expense | $ $ 35,387
UNITED KINGDOM | Award 40 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 27,892
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.24
Unrecognized Compensation Expense | $ $ 61,544
UNITED KINGDOM | Award 41 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 27,901
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.24
Unrecognized Compensation Expense | $ $ 79,786
UNITED KINGDOM | Award 42 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 750
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.83
Unrecognized Compensation Expense | $ $ 2,991
UNITED KINGDOM | Award 43 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 750
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.83
Unrecognized Compensation Expense | $ $ 3,823
UNITED KINGDOM | Award 44 [Member]  
Type of Award 10 Market/Time- Based
Shares Unvested (in shares) 750
Weighted Average Fair Value (in dollars per share) | $ / shares $ 6.83
Unrecognized Compensation Expense | $ $ 4,187
[1] The $6.00 market condition price target was achieved on March 29, 2021, and on such date, the remaining unrecognized expense for these awards is being accelerated over the new requisite service period.
[2] The $8.00 market condition price target was achieved on August 23, 2021, and on such date, the remaining unrecognized expense for these awards is being accelerated over the new requisite service period.