| Report Element Information |
| Run date/time: 7/23/2011 7:11:23 AM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Estimated Useful Life |
| Documentation: | Etiam ipsum orci, gravida nec, feugiat ut, malesuada quis, mauris. Etiam porttitor. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Text/String (xbrli:stringItemType) |
| ID: | pattern_EstimatedUsefulLife |
| Name: | pattern:EstimatedUsefulLife |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Etiam ipsum orci, gravida nec, feugiat ut, malesuada quis, mauris. Etiam porttitor. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Estimated Useful Life | en |
| Total label (http://www.xbrl.org/2003/role/totalLabel) | Property, Plant and Equipment, Net, Total | en |