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Major Customers (Details) | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 3 Months Ended | 6 Months Ended
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Sep. 30, 2012 Supplier | Sep. 30, 2012 Supplier | Sep. 30, 2013 Sales [Member] Customer A [Member] | Sep. 30, 2012 Sales [Member] Customer A [Member] | Sep. 30, 2013 Sales [Member] Customer A [Member] | Sep. 30, 2012 Sales [Member] Customer A [Member] | Sep. 30, 2013 Sales [Member] Customer B [Member] | Sep. 30, 2012 Sales [Member] Customer B [Member] | Sep. 30, 2013 Sales [Member] Customer B [Member] | Sep. 30, 2012 Sales [Member] Customer B [Member] | Sep. 30, 2013 Sales [Member] Customer C [Member] | Sep. 30, 2012 Sales [Member] Customer C [Member] | Sep. 30, 2013 Sales [Member] Customer C [Member] | Sep. 30, 2012 Sales [Member] Customer C [Member] | Sep. 30, 2013 Sales [Member] Customer D [Member] | Sep. 30, 2012 Sales [Member] Customer D [Member] | Sep. 30, 2013 Sales [Member] Customer D [Member] | Sep. 30, 2012 Sales [Member] Customer D [Member] | Sep. 30, 2013 Accounts Receivable - Trade [Member] Customer A [Member] | Mar. 31, 2013 Accounts Receivable - Trade [Member] Customer A [Member] | Sep. 30, 2013 Accounts Receivable - Trade [Member] Customer B [Member] | Mar. 31, 2013 Accounts Receivable - Trade [Member] Customer B [Member] | Sep. 30, 2013 Accounts Receivable - Trade [Member] Customer C [Member] | Mar. 31, 2013 Accounts Receivable - Trade [Member] Customer C [Member] | Sep. 30, 2013 Accounts Receivable - Trade [Member] Customer D [Member] | Mar. 31, 2013 Accounts Receivable - Trade [Member] Customer D [Member] | Sep. 30, 2013 Significant Supplier Purchases [Member] Supplier A [Member] | Sep. 30, 2013 Significant Supplier Purchases [Member] Supplier A [Member]
Concentration Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk percentage (in hundredths) |  |  | 55.00% | 39.00% | 50.00% | 40.00% | 20.00% | 27.00% | 22.00% | 28.00% | 11.00% | 12.00% | 11.00% | 11.00% | 4.00% | 3.00% | 4.00% | 4.00% | 33.00% | 27.00% | 20.00% | 11.00% | 6.00% | 7.00% | 9.00% | 12.00% | 21.00% | 15.00%
Number of major suppliers | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The number of suppliers that accounted for more than 10% of inventory purchases during the accounting period. + References No definition available. + Details
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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 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: 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=6927468&loc=d3e6404-108592 Reference 3: 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=28364263&loc=d3e13531-108611 Reference 4: 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=6927468&loc=d3e6351-108592 + Details
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