|
Customer Concentrations and Accounts Receivable (Details)
|
3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2011
Revenue
Customer concentrations
BPC
|
Sep. 30, 2012
Revenue
Customer concentrations
BPC
|
Sep. 30, 2011
Revenue
Customer concentrations
BPC
|
Sep. 30, 2012
Revenue
Customer concentrations
Horizon
|
Sep. 30, 2011
Revenue
Customer concentrations
Horizon
|
Sep. 30, 2012
Revenue
Customer concentrations
Horizon
|
Sep. 30, 2011
Revenue
Customer concentrations
Horizon
|
Sep. 30, 2012
Net accounts receivable
Credit concentration
BPC
|
Mar. 31, 2012
Net accounts receivable
Credit concentration
BPC
|
Sep. 30, 2012
Net accounts receivable
Credit concentration
Horizon
|
|
| Customer Concentrations and Accounts Receivable | ||||||||||
| Concentration percentage | 25.00% | 14.00% | 23.00% | 32.00% | 22.00% | 33.00% | 15.00% | 43.00% | 44.00% | 12.00% |