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v3.10.0.1

Significant Customer and Other Information (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Mar. 31, 2018
Sales [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 100.00% | 100.00% |
Sales [Member] | Customer A [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 37.00% | 40.00% |
Sales [Member] | Customer B [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 22.00% | 25.00% |
Sales [Member] | Customer C [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 26.00% | 16.00% |
Sales [Member] | Customer D [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 3.00% | 8.00% |
Sales [Member] | Rotating Electrical Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 77.00% | 78.00% |
Sales [Member] | Wheel Hub Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 18.00% | 18.00% |
Sales [Member] | Brake Master Cylinders Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 3.00% | 3.00% |
Sales [Member] | Other Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 2.00% | 1.00% |
Accounts Receivable - Trade [Member] | Customer A [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 33.00% |  | 36.00%
Accounts Receivable - Trade [Member] | Customer B [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 21.00% |  | 16.00%
Accounts Receivable - Trade [Member] | Customer C [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 13.00% |  | 22.00%
Accounts Receivable - Trade [Member] | Customer D [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 7.00% |  | 5.00%

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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