| Report Element Information |
| Run date/time: 7/22/2011 8:06:29 AM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Retained Earnings (Accumulated Losses), Period Increase (Decrease), Total |
| Documentation: | Nullam sodales massa. Duis vestibulum feugiat risus. |
| Balance type: | Credit |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | pattern_RetainedEarningsAccumulatedLossesPeriodIncreaseDecrease |
| Name: | pattern:RetainedEarningsAccumulatedLossesPeriodIncreaseDecrease |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Nullam sodales massa. Duis vestibulum feugiat risus. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Retained Earnings (Accumulated Losses), Period Increase (Decrease) | en |
| Total label (http://www.xbrl.org/2003/role/totalLabel) | Retained Earnings (Accumulated Losses), Period Increase (Decrease), Total | en |