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Significant Customer and Other Information (Tables) | 6 Months Ended
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Sep. 30, 2021
Significant Customer and Other Information [Abstract] |
Concentrations of Risk | Significant Customer Concentrations The largest customers accounted for the following percentage of net sales:
|  | Three Months Ended September 30, |  |  | Six Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net sales |  |  |  |  |  |  |  |  |  |  |  |
Customer A |  |  | 40 | % |  |  | 45 | % |  |  | 37 | % |  |  | 45 | %
Customer B |  |  | 17 | % |  |  | 21 | % |  |  | 18 | % |  |  | 23 | %
Customer C |  |  | 30 | % |  |  | 23 | % |  |  | 30 | % |  |  | 20 | %
The largest customers accounted for the following percentage of accounts receivable – trade:
| September 30, 2021 |  | March 31, 2021 |
Accounts receivable - trade |  |  |  |
Customer A |  |  | 37 | % |  |  | 50 | %
Customer B |  |  | 19 | % |  |  | 23 | %
Customer C |  |  | 10 | % |  |  | - | %
Geographic and Product Information The Company’s products are sold predominantly in the U.S. and accounted for the following percentages of net sales:
|  | Three Months Ended September 30, |  |  | Six Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Product line |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rotating electrical products |  |  | 73 | % |  |  | 80 | % |  |  | 71 | % |  |  | 77 | %
Wheel hub products |  |  | 11 | % |  |  | 12 | % |  |  | 12 | % |  |  | 14 | %
Brake related products |  |  | 14 | % |  |  | 7 | % |  |  | 15 | % |  |  | 8 | %
Other products |  |  | 2 | % |  |  | 1 | % |  |  | 2 | % |  |  | 1 | %
|  |  | 100 | % |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %

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