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Earnings Per Share - Additional Information (Details) - shares	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options, outstanding	431,000	420,000
Restricted stock, outstanding	96,750	207,500
Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options exercisable	130,000	116,000

X

- 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.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Publisher FASB
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-SubTopic 10
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Number of options outstanding, including both vested and non-vested options.

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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
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