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v3.20.2

Significant Customer and Other Information (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Mar. 31, 2020
Net Sales [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 100.00% | 100.00% |
Net Sales [Member] | Customer A [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 45.00% | 38.00% |
Net Sales [Member] | Customer B [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 26.00% | 23.00% |
Net Sales [Member] | Customer C [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 17.00% | 20.00% |
Net Sales [Member] | Rotating Electrical Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 72.00% | 75.00% |
Net Sales [Member] | Wheel Hub Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 18.00% | 18.00% |
Net Sales [Member] | Brake-Related Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 9.00% | 4.00% |
Net Sales [Member] | Other Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 1.00% | 3.00% |
Accounts Receivable - Trade [Member] | Customer A [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 28.00% |  | 28.00%
Accounts Receivable - Trade [Member] | Customer B [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 31.00% |  | 14.00%
Accounts Receivable - Trade [Member] | Customer C [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 13.00% |  | 33.00%

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