| Report Element Information |
| Run date/time: 7/22/2011 8:06:29 AM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Operating Expenses |
| Documentation: | Nunc in elit non metus viverra sollicitudin. Duis metus. Donec pulvinar nonummy erat. |
| Balance type: | Debit |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | pattern_OperatingExpenses |
| Name: | pattern:OperatingExpenses |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Nunc in elit non metus viverra sollicitudin. Duis metus. Donec pulvinar nonummy erat. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Operating Expenses | en |