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|---|---|---|
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| 0000074688-13-000002-index.html | 2013-01-25 16:47:46 | |
| 0000074688-13-000002.txt | 2013-01-25 16:47:46 | |
 0000074688-13-000002-xbrl.zip | 41539 | 2013-01-25 16:47:46 |
| Exhibit_31-1_10K_2012.htm | 4082 | 2013-01-25 16:47:46 |
| Exhibit_32-1_10K_2012.htm | 1605 | 2013-01-25 16:47:46 |
| FilingSummary.xml | 14704 | 2013-01-25 16:47:46 |
| Financial_Report.xls | 143426 | 2013-01-25 16:47:46 |
| opst-20121027.xml | 156385 | 2013-01-25 16:47:46 |
| opst-20121027.xsd | 17255 | 2013-01-25 16:47:46 |
| opst-20121027_cal.xml | 50934 | 2013-01-25 16:47:46 |
| opst-20121027_def.xml | 25243 | 2013-01-25 16:47:46 |
| opst-20121027_lab.xml | 153203 | 2013-01-25 16:47:46 |
| opst-20121027_pre.xml | 109379 | 2013-01-25 16:47:46 |
| opt_10-k_2012_final.htm | 155483 | 2013-01-25 16:47:46 |
| R1.htm | 37265 | 2013-01-25 16:47:46 |
| R10.htm | 24112 | 2013-01-25 16:47:46 |
| R11.htm | 13529 | 2013-01-25 16:47:46 |
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| R2.htm | 132297 | 2013-01-25 16:47:46 |
| R20.htm | 10079 | 2013-01-25 16:47:46 |
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| R25.htm | 37899 | 2013-01-25 16:47:46 |
| R26.htm | 15425 | 2013-01-25 16:47:46 |
| R27.htm | 13831 | 2013-01-25 16:47:46 |
| R28.htm | 8640 | 2013-01-25 16:47:46 |
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| R30.htm | 8465 | 2013-01-25 16:47:46 |
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| R6.htm | 5243 | 2013-01-25 16:47:46 |
| R7.htm | 104458 | 2013-01-25 16:47:46 |
| R8.htm | 11745 | 2013-01-25 16:47:46 |
| R9.htm | 10659 | 2013-01-25 16:47:46 |
| report.css | 2721 | 2013-01-25 16:47:46 |
| Show.js | 6423 | 2013-01-25 16:47:46 |