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Significant Accounting Policies (Tables) | 6 Months Ended
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Oct. 31, 2020
Accounting Policies [Abstract] |
Summary of the calculation of earnings per share, basic and diluted |
| Three Months Ended October 31, |  | Six Months Ended October 31, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019 |  |  |  |
Basic and diluted net income (loss) per share computation (dollars in thousands): |  |  |  |  |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | $ | 1 |  |  | $ | 307 |  |  | $ | 76 |  |  | $ | (334) |  |  |  |  |
Weighted Average common shares – basic | 13,064,191 |  |  | 11,619,686 |  |  | 12,811,921 |  |  | 11,619,569 |  |  |  |  |
Basic net income (loss) per share | $ | — |  |  | $ | 0.03 |  |  | $ | 0.01 |  |  | $ | (0.03) |  |  |  |  |
Diluted income (loss) per share computation: |  |  |  |  |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | $ | 1 |  |  | $ | 307 |  |  | $ | 76 |  |  | $ | (334) |  |  |  |  |
Net income (loss) available to common stockholders | $ | 1 |  |  | $ | 307 |  |  | $ | 76 |  |  | $ | (334) |  |  |  |  |
Weighted Average common shares | 13,064,191 |  |  | 11,619,686 |  |  | 12,811,921 |  |  | 11,619,569 |  |  |  |  |
Incremental shares from assumed exercise of stock options | 1,997,912 |  |  | 1,345,106 |  |  | 1,751,139 |  |  | — |  |  |  |  |
Adjusted weighted average share – diluted | 15,062,103 |  |  | 12,964,792 |  |  | 14,563,060 |  |  | 11,619,569 |  |  |  |  |
Diluted net income (loss) per share | $ | — |  |  | $ | 0.02 |  |  | $ | 0.01 |  |  | $ | (0.03) |  |  |  |  |
Summary of antidilutive securities excluded from earnings per share calculations | The following table reflects the total potential share-based instruments outstanding at October 31, 2020 and 2019 that could have an effect on the future computation of dilution per common share, had their effect not been anti-dilutive:
| October 31,
| 2020 |  | 2019
Stock options | 1,651,478 |  |  | 2,453,874 |
Warrants | — |  |  | 1,669,773 |
Total common stock equivalents | 1,651,478 |  |  | 4,123,647 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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