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Business Segment and Geographic Reporting (Details)	6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Business Segment and Geographic Reporting (Details) [Line Items]
Number of operating segment	1
Concentration risk percentage	35.00%
Number of external customers	1	1
One External Customer [Member]
Business Segment and Geographic Reporting (Details) [Line Items]
Concentration risk percentage		35.00%
OEM [Member]
Business Segment and Geographic Reporting (Details) [Line Items]
Concentration risk percentage	24.00%
Concentration risk percentage		45.00%
One External Customer [Member] | Sales Revenue, Net [Member]
Business Segment and Geographic Reporting (Details) [Line Items]
Number of customers	1	1
Customer Concentration Risk [Member] | One External Customer [Member] | Sales Revenue, Net [Member]
Business Segment and Geographic Reporting (Details) [Line Items]
Concentration risk percentage	10.00%

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Concentration Risk Percentage.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Number of customers.

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Number of external customers.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

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