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v3.21.1

Benefit plans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
401(k) Plan |  |
Benefit Plans |  |
Contributions to the plan | $ 723 | $ 232
Pension Plan |  |
Benefit Plans |  |
Maximum percentage of contribution by employee of their annual base salary | 8.00% |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Details
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- Details
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