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| 0001193125-12-046738-index.html | 2012-02-08 16:45:40 | |
| 0001193125-12-046738.txt | 2012-02-08 16:45:40 | |
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| d277470d10q.htm | 473354 | 2012-02-08 16:45:40 |
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| d277470dex322.htm | 3051 | 2012-02-08 16:45:40 |
| FilingSummary.xml | 8441 | 2012-02-08 16:45:40 |
| Financial_Report.xls | 352545 | 2012-02-08 16:45:40 |
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| powl-20111231.xsd | 9550 | 2012-02-08 16:45:40 |
| powl-20111231_cal.xml | 33752 | 2012-02-08 16:45:40 |
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| R1.htm | 26712 | 2012-02-08 16:45:40 |
| R10.htm | 100178 | 2012-02-08 16:45:40 |
| R11.htm | 16805 | 2012-02-08 16:45:40 |
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| R15.htm | 39065 | 2012-02-08 16:45:40 |
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