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v3.21.2

Significant Customer and Other Information (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Mar. 31, 2021
Net Sales [Member] | Customer Concentration Risk [Member] | Customer A [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 40.00% | 45.00% | 37.00% | 45.00% |
Net Sales [Member] | Customer Concentration Risk [Member] | Customer B [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 17.00% | 21.00% | 18.00% | 23.00% |
Net Sales [Member] | Customer Concentration Risk [Member] | Customer C [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 30.00% | 23.00% | 30.00% | 20.00% |
Net Sales [Member] | Product Concentration Risk [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 100.00% | 100.00% | 100.00% | 100.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Rotating Electrical Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 73.00% | 80.00% | 71.00% | 77.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Wheel Hub Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 11.00% | 12.00% | 12.00% | 14.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Brake-Related Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 14.00% | 7.00% | 15.00% | 8.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Other Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 2.00% | 1.00% | 2.00% | 1.00% |
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer A [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 37.00% |  |  |  | 50.00%
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer B [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 19.00% |  |  |  | 23.00%
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer C [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 10.00% |  |  |  | 0.00%

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