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Concentration, Geographic&Segment Reporting (Details) | 6 Months Ended
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Sep. 30, 2017 Segments Customers | Sep. 30, 2016 Customers
Concentration Geographic and Segment Reporting (Textual) |  |
Number of segments | Segments | 1 |
Revenues [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Number of customers | 3 | 5
Revenues [Member] | Customer one [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 13.30% | 22.70%
Revenues [Member] | Customer two [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 11.10% | 21.80%
Revenues [Member] | Customer three [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 11.10% | 19.10%
Revenues [Member] | Customer four [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 10.20% | 14.50%
Revenues [Member] | Customer five [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 13.80% | 11.50%
Accounts Receivable [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Number of customers | 5 | 4
Accounts Receivable [Member] | Customer one [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 13.00% | 30.00%
Accounts Receivable [Member] | Customer two [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 11.10% | 27.00%
Accounts Receivable [Member] | Customer three [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage | 11.10% | 24.00%
Accounts Receivable [Member] | Customer five [Member] |  |
Concentration Geographic and Segment Reporting (Textual) |  |
Concentration Risk, Percentage |  | 13.10%

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
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