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Income (Loss) Per Common Share - Schedule of Reconciliation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income (loss) per common share:
Net income (loss)	$ 155,932	$ (99,478)
Shares outstanding: Weighted avg. common shares outstanding - basic	2,050,678	2,040,166
Shares outstanding: Effect of the assumed exercise of dilutive stock options	$ 11,392
Shares outstanding: Weighted avg. common shares outstanding - dilutive	2,062,070	2,040,166
Income (loss) per common share: Basic	$ 0.08	$ (0.05)
Income (loss) per common share: Diluted	$ 0.08	$ (0.05)

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Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of stock options or restrictive stock units (RSUs).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=125511455&loc=d3e1448-109256

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration