Stock-Based Compensation - Performance Stock Units (Details)	6 Months Ended
Sep. 30, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum achievement percentage	2
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	3 years
Performance stock units vested, not issued	22,759
Service period	3 years
Number of Shares
Options outstanding at the beginning of the period (in shares)	68,000
Granted (in shares)	64,000
Options outstanding at the end of the period (in shares)	132,000
Weighted Average Price Per Share
Options outstanding at the beginning of the period (in dollars per share) \| $ / shares	$ 5.47
Granted (in dollar per share) \| $ / shares	7.26
Options outstanding at the end of the period (in dollars per share) \| $ / shares	$ 6.34
Minimum \| Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	0.00%
Maximum \| Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	160.00%
Executive officers \| Performance Stock Units
Number of Shares
Granted (in shares)	132,403

Share-based Compensation Arrangement by Share-based Payment Award, Achievement Percentage

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Performance period over which grantee's right to exercise award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Service period over which grantee's right to exercise award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Publisher FASB
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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.

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Percentage of vesting of award under share-based payment arrangement.

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-Publisher FASB
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