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
	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