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Share-Based Compensation (Tables) | 6 Months Ended
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Oct. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Stock Option Activity | Schedule of Stock Option Activity
|  | Shares Underlying Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (In Years) |
Outstanding as of April 30, 2021 |  |  | 516,827 |  |  | $ | 3.89 |  |  |  | 9.0 |
Granted |  |  | — |  |  | $ | — |  |  |  |  |
Exercised |  |  | (6,666 | ) |  | $ | 1.05 |  |  |  |  |
Expired |  |  | (1,806 | ) |  | $ | 32.62 |  |  |  |  |
Cancelled/forfeited |  |  | (110,382 | ) |  | $ | 2.58 |  |  |  |  |
Outstanding as of October 31, 2021 |  |  | 397,973 |  |  | $ | 4.16 |  |  |  | 8.4 |
Exercisable as of October 31, 2021 |  |  | 239,780 |  |  | $ | 4.98 |  |  |  | 7.8 |
Schedule of Business Acquisition and Fair Value of Net Assets, Compensation Expense Recognized | Schedule of Business Acquisition and Fair Value of Net Assets, Compensation Expense Recognized
Fair Value of Purchase |  | $ | 1,161,267 |
Total Acquired Assets |  | $ | (593,571 | )
Total Acquired Liabilities |  | $ | 117,106 |
Compensation Expense |  | $ | 684,802 |
Quarterly Compensation Expense |  | $ | 171,201 |
Schedule of Non-vested Restricted Stock Activity | A summary of non-vested restricted stock under our stock incentive plans is as follows: Schedule of Non-vested Restricted Stock Activity
|  | Number of Shares |  |  | Weighted Average Price per Share |
Issued and unvested at April 30, 2021 |  |  | 10,000 |  |  | $ | 2.93 |
Granted |  |  | 33,333 |  |  | $ | 2.37 |
Vested |  |  | — |  |  | $ | — |
Cancelled/forfeited |  |  | — |  |  | $ | — |
Issued and unvested at October 31, 2021 |  |  | 43,333 |  |  | $ | 2.50 |
Performance Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Stock Option Activity | Schedule of Stock Option Activity
|  | Shares Underlying Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (In Years) |
Outstanding as of April 30, 2021 |  |  | 424,790 |  |  | $ | 2.57 |  |  |  | 9.5 |
Granted |  |  | 66,667 |  |  | $ | 0.62 |  |  |  |  |
Exercised |  |  | (13,334 | ) |  | $ | 1.05 |  |  |  |  |
Cancelled/forfeited |  |  | (193,433 | ) |  | $ | 2.80 |  |  |  |  |
Outstanding as of October 31, 2021 |  |  | 284,690 |  |  | $ | 2.03 |  |  |  | 9.1 |
Exercisable as of October 31, 2021 |  |  | 27,334 |  |  | $ | 1.05 |  |  |  | 8.2 |

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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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