| Report Element Information |
| Run date/time: 7/17/2011 4:37:27 PM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Common Stock [Member] |
| Documentation: | Fusce gravida, ligula a placerat placerat, leo erat euismod lectus, et lacinia justo libero non pede. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Member] |
| Data type: | [Member] (nonnum:domainItemType) |
| ID: | pattern_CommonStockMember |
| Name: | pattern:CommonStockMember |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Fusce gravida, ligula a placerat placerat, leo erat euismod lectus, et lacinia justo libero non pede. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Common Stock [Member] | en |