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Stockholders' equity (Tables) | 6 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Schedule of stockholders equity | The Company had reserved for common stock for the exercise of outstanding stock options and the vesting of restricted stock units, the number of shares remaining available for grant under the Company’s 2018 Omnibus Incentive Compensation Plan and the Company’s Employee Stock Purchase Plan (see Note 10) and the exercise of the outstanding warrants to purchase shares of common stock as follows:
| September 30, 2023 |  | March 31, 2023
Stock options, issued and outstanding | 9,155,387 |  |  | 7,454,828 |
Restricted stock units | 2,189,837 |  |  | 1,351,280 |
Stock options and restricted stock units, future issuance | 2,064,858 |  |  | 2,209,597 |
Employee stock purchase plan, available for future grants | 2,738,208 |  |  | 2,076,603 |
Pre-IPO warrants to purchase common stock | 497,344 |  |  | 497,344 |
Pre-funded warrants | 7,561,583 |  |  | 9,484,238 |
Total shares of common stock reserved for future issuance | 24,207,217 |  |  | 23,073,890 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 + Details
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