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v3.22.1

Note 13 - Capital Stock (Tables) | 9 Months Ended
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Apr. 30, 2022
Notes Tables |
Schedule Of Share based Compensation Warrants Activity [Table Text Block] |
|  | Number of Warrants |  |  | Weighted Average Exercise Price |
Balance, July 31, 2021 |  |  | 5,387,323 |  |  | $ | 1.90 |
Exercised |  |  | (491,849 | ) |  |  | 1.85 |
Balance, October 31, 2021 |  |  | 4,895,474 |  |  |  | 1.91 |
Exercised |  |  | (572,850 | ) |  |  | 1.99 |
Balance, January 31, 2022 |  |  | 4,322,624 |  |  |  | 1.90 |
Exercised |  |  | (339,845 | ) |  |  | 1.80 |
Balance, April 30, 2022 |  |  | 3,982,779 |  |  | $ | 1.91 |
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
Weighted Average Exercise Price |  |  | Number of Warrants Outstanding |  |  | Weighted Average Remaining Contractual Life (Years) |  | Expiry Date
$ | 1.80 |  |  |  | 3,775,961 |  |  |  | 0.40 |  | September 23, 2022
| 1.64 |  |  |  | 25,000 |  |  |  | 1.06 |  | May 21, 2023
| 4.13 |  |  |  | 181,818 |  |  |  | 3.93 |  | April 5, 2026
$ | 1.91 |  |  |  | 3,982,779 |  |  |  | 0.57 |  |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of Stock Options |  |  | Weighted Average Exercise Price |
Balance, July 31, 2021 |  |  | 10,404,333 |  |  | $ | 1.21 |
Granted |  |  | 10,000 |  |  |  | 2.89 |
Exercised |  |  | (1,030,543 | ) |  |  | 1.18 |
Expired |  |  | (60,000 | ) |  |  | 2.78 |
Balance, October 31, 2021 |  |  | 9,323,790 |  |  |  | 1.20 |
Exercised |  |  | (244,834 | ) |  |  | 1.27 |
Expired |  |  | (15,000 | ) |  |  | 1.36 |
Balance, January 31, 2022 |  |  | 9,063,956 |  |  |  | 1.20 |
Exercised |  |  | (1,182,605 | ) |  |  | 1.15 |
Balance, April 30, 2022 |  |  | 7,881,351 |  |  | $ | 1.21 |
Cash Proceeds Received and Tax Benefit from Share-Based Payment Awards [Table Text Block] |
|  | Three Months Ended April 30, |  |  | Nine Months Ended April 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Number of Options Exercised on Cash Basis |  |  | 404,832 |  |  |  | 953,939 |  |  |  | 807,580 |  |  |  | 1,141,439 |
Number of Options Exercised on Forfeiture Basis |  |  | 777,773 |  |  |  | 988,909 |  |  |  | 1,650,402 |  |  |  | 1,930,691 |
Total Number of Options Exercised |  |  | 1,182,605 |  |  |  | 1,942,848 |  |  |  | 2,457,982 |  |  |  | 3,072,130 |
Number of Shares Issued on Cash Exercise |  |  | 404,832 |  |  |  | 953,939 |  |  |  | 807,580 |  |  |  | 1,141,439 |
Number of Shares Issued on Forfeiture Basis |  |  | 595,478 |  |  |  | 557,608 |  |  |  | 1,140,065 |  |  |  | 943,168 |
Total Number of Shares Issued Upon Exercise of Options |  |  | 1,000,310 |  |  |  | 1,511,547 |  |  |  | 1,947,645 |  |  |  | 2,084,607 |
Cash Received from Exercise of Stock Options |  | $ | 403,949 |  |  | $ | 1,086,844 |  |  | $ | 851,132 |  |  | $ | 1,308,278 |
Total Intrinsic Value of Options Exercised |  | $ | 4,890,780 |  |  | $ | 3,026,602 |  |  | $ | 7,685,293 |  |  | $ | 3,855,217 |
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] |
|  | Number of Unvested Stock Options |  |  | Weighted Average Grant-Date Fair Value |
Balance, July 31, 2021 |  |  | 3,891,207 |  |  | $ | 0.66 |
Granted |  |  | 10,000 |  |  |  | 1.73 |
Vested |  |  | (265,427 | ) |  |  | 0.87 |
Balance, October 31, 2021 |  |  | 3,635,780 |  |  |  | 0.64 |
Vested |  |  | (1,069,948 | ) |  |  | 0.55 |
Balance, January 31, 2022 |  |  | 2,565,832 |  |  |  | 0.68 |
Vested |  |  | (11,872 | ) |  |  | 1.34 |
Balance, April 30, 2022 |  |  | 2,553,960 |  |  | $ | 0.68 |
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] |
|  |  |  |  | Options Outstanding |  |  | Options Exercisable |
Range of Exercise Prices |  |  | Outstanding at April 30, 2022 |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (Years) |  |  | Exercisable at April 30, 2022 |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (Years) |
$0.80 | to | $0.99 |  |  |  | 4,121,936 |  |  | $ | 0.92 |  |  |  | 7.80 |  |  |  | 3,167,875 |  |  | $ | 0.92 |  |  |  | 7.68 |
$1.00 | to | $1.49 |  |  |  | 1,796,875 |  |  |  | 1.15 |  |  |  | 6.16 |  |  |  | 913,541 |  |  |  | 1.20 |  |  |  | 4.17 |
$1.50 | to | $2.89 |  |  |  | 1,962,540 |  |  |  | 1.86 |  |  |  | 5.03 |  |  |  | 1,245,975 |  |  |  | 1.65 |  |  |  | 2.63 |
|  |  |  |  |  | 7,881,351 |  |  | $ | 1.21 |  |  |  | 6.74 |  |  |  | 5,327,391 |  |  | $ | 1.14 |  |  |  | 5.90 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
Grant Date |  | Number of Restricted Stock Units |  |  | Grant Date Fair Value |  |  | Remaining Life (Years) |  |  | Aggregate Intrinsic Value |
July 30, 2019 |  |  | 154,999 |  |  | $ | 0.94 |  |  |  | 0.25 |  |  | $ | 658,746 |
July 16, 2020 |  |  | 434,996 |  |  |  | 0.91 |  |  |  | 1.21 |  |  |  | 1,848,733 |
July 21, 2021 |  |  | 407,617 |  |  |  | 2.15 |  |  |  | 2.23 |  |  |  | 1,732,372 |
|  |  | 997,612 |  |  | $ | 1.42 |  |  |  | 1.48 |  |  | $ | 4,239,851 |
Share-Based Payment Arrangement, Cost by Plan [Table Text Block] |
|  | Three Months Ended April 30, |  |  | Nine Months Ended April 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Stock-Based Compensation for Consultants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued to consultants |  | $ | 158,313 |  |  | $ | 229,047 |  |  | $ | 664,015 |  |  | $ | 468,364 |
Amortization of stock option expenses |  |  | 37,130 |  |  |  | 54,593 |  |  |  | 173,705 |  |  |  | 224,295 |
|  |  | 195,443 |  |  |  | 283,640 |  |  |  | 837,720 |  |  |  | 692,659 |
Stock-Based Compensation for Management |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of stock option expenses |  |  | 91,033 |  |  |  | 154,531 |  |  |  | 382,190 |  |  |  | 614,579 |
Amortization of RSU and PRSU expenses |  |  | 255,933 |  |  |  | 300,514 |  |  |  | 780,264 |  |  |  | 919,270 |
|  |  | 346,966 |  |  |  | 455,045 |  |  |  | 1,162,454 |  |  |  | 1,533,849 |
Stock-Based Compensation for Employees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued to employees |  |  | 281,796 |  |  |  | 264,484 |  |  |  | 893,803 |  |  |  | 738,996 |
Amortization of stock option expenses |  |  | 127,190 |  |  |  | 164,558 |  |  |  | 632,284 |  |  |  | 798,796 |
|  |  | 408,986 |  |  |  | 429,042 |  |  |  | 1,526,087 |  |  |  | 1,537,792 |
|  | $ | 951,395 |  |  | $ | 1,167,727 |  |  | $ | 3,526,261 |  |  | $ | 3,764,300 |

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