Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000830656-12-000051-index-headers.html | 2012-05-15 17:04:44 | |
| 0000830656-12-000051-index.html | 2012-05-15 17:04:44 | |
| 0000830656-12-000051.txt | 2012-05-15 17:04:44 | |
 0000830656-12-000051-xbrl.zip | 55652 | 2012-05-15 17:04:44 |
| ex31_1.htm | 8808 | 2012-05-15 17:04:44 |
| ex32_1.htm | 7868 | 2012-05-15 17:04:44 |
| FilingSummary.xml | 6409 | 2012-05-15 17:04:44 |
| Financial_Report.xls | 365722 | 2012-05-15 17:04:44 |
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| pbio-20120331.xml | 396468 | 2012-05-15 17:04:44 |
| pbio-20120331.xsd | 13225 | 2012-05-15 17:04:44 |
| pbio-20120331_cal.xml | 25974 | 2012-05-15 17:04:44 |
| pbio-20120331_def.xml | 56836 | 2012-05-15 17:04:44 |
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| R10.htm | 167074 | 2012-05-15 17:04:44 |
| R11.htm | 11915 | 2012-05-15 17:04:44 |
| R2.htm | 123378 | 2012-05-15 17:04:44 |
| R3.htm | 39895 | 2012-05-15 17:04:44 |
| R4.htm | 59057 | 2012-05-15 17:04:44 |
| R5.htm | 100454 | 2012-05-15 17:04:44 |
| R6.htm | 10925 | 2012-05-15 17:04:44 |
| R7.htm | 7034 | 2012-05-15 17:04:44 |
| R8.htm | 146334 | 2012-05-15 17:04:44 |
| R9.htm | 19832 | 2012-05-15 17:04:44 |
| report.css | 2721 | 2012-05-15 17:04:44 |
| Show.js | 6423 | 2012-05-15 17:04:44 |