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Significant Customer and Other Information (Tables) | 9 Months Ended
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Dec. 31, 2019
Significant Customer and Other Information [Abstract] |
Concentrations of Risk | Significant Customer Concentrations The largest customers accounted for the following total percentage of net sales:
|  | Three Months Ended December 31, |  |  | Nine Months Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Net sales |  |  |  |  |  |  |  |  |  |  |  |
Customer A |  |  | 38 | % |  |  | 33 | % |  |  | 39 | % |  |  | 36 | %
Customer B |  |  | 22 | % |  |  | 20 | % |  |  | 21 | % |  |  | 23 | %
Customer C |  |  | 25 | % |  |  | 26 | % |  |  | 23 | % |  |  | 23 | %
The largest customers accounted for the following total percentage of accounts receivable – trade:
|  | December 31, 2019 |  |  | March 31, 2019 |
Accounts receivable - trade |  |  |  |  |  |
Customer A |  |  | 31 | % |  |  | 34 | %
Customer B |  |  | 16 | % |  |  | 18 | %
Customer C |  |  | 16 | % |  |  | 16 | %
Geographic and Product Information The Company’s products are predominantly sold in the U.S. and accounted for the following total percentage of net sales:
|  | Three Months Ended December 31, |  |  | Nine Months Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Rotating electrical products |  |  | 75 | % |  |  | 81 | % |  |  | 76 | % |  |  | 79 | %
Wheel hub products |  |  | 14 | % |  |  | 14 | % |  |  | 15 | % |  |  | 15 | %
Brake caliper products |  |  | 5 | % |  |  | - | % |  |  | 3 | % |  |  | - | %
Brake master cylinders products |  |  | 2 | % |  |  | 1 | % |  |  | 2 | % |  |  | 2 | %
Other products |  |  | 4 | % |  |  | 4 | % |  |  | 4 | % |  |  | 4 | %
|  |  | 100 | % |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %

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