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Concentration, Geographic (Details) | 12 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Revenues [Member] | Customer one [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 5.80% | 8.60%
Revenues [Member] | Customer two [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 5.40% | 2.60%
Revenues [Member] | Customer three [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 4.60% | 2.40%
Revenues [Member] | Customer four [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 4.40% | 2.40%
Accounts Receivable [Member] | Customer one [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 12.70% | 56.00%
Accounts Receivable [Member] | Customer two [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 12.20% | 13.60%
Accounts Receivable [Member] | Customer three [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 11.20% | 13.00%
Accounts Receivable [Member] | Customer four [Member] |  |
Concentration Geographic (Textual) |  |
Concentration Risk, Percentage | 10.30% | 13.00%

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