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| 0000880460-17-000007-index.html | 2017-04-28 16:01:53 | |
| 0000880460-17-000007.txt | 2017-04-28 16:01:53 | |
 0000880460-17-000007-xbrl.zip | 228347 | 2017-04-28 16:01:53 |
| a10k01282017.htm | 1365944 | 2017-04-28 16:01:53 |
| exhibit21101282017.htm | 10942 | 2017-04-28 16:01:53 |
| exhibit23101282017.htm | 3568 | 2017-04-28 16:01:53 |
| exhibit31101282017.htm | 14234 | 2017-04-28 16:01:53 |
| exhibit31201282017.htm | 14804 | 2017-04-28 16:01:53 |
| exhibit32101282017.htm | 7769 | 2017-04-28 16:01:53 |
| exhibit32201282017.htm | 7742 | 2017-04-28 16:01:53 |
| FilingSummary.xml | 38470 | 2017-04-28 16:01:53 |
| Financial_Report.xlsx | 89902 | 2017-04-28 16:01:53 |
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| perf-20170128.xsd | 66689 | 2017-04-28 16:01:53 |
| perf-20170128_cal.xml | 103902 | 2017-04-28 16:01:53 |
| perf-20170128_def.xml | 315429 | 2017-04-28 16:01:53 |
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| report.css | 2767 | 2017-04-28 16:01:53 |
| Show.js | 1410 | 2017-04-28 16:01:53 |