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|---|---|---|
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| 0001289863-11-000004-index.html | 2011-08-09 16:07:46 | |
| 0001289863-11-000004.txt | 2011-08-09 16:07:46 | |
 0001289863-11-000004-xbrl.zip | 50018 | 2011-08-09 16:07:46 |
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| R10.htm | 9203 | 2011-08-09 16:07:46 |
| R11.htm | 14264 | 2011-08-09 16:07:46 |
| R2.htm | 103128 | 2011-08-09 16:07:46 |
| R3.htm | 41123 | 2011-08-09 16:07:46 |
| R4.htm | 75885 | 2011-08-09 16:07:46 |
| R5.htm | 111297 | 2011-08-09 16:07:46 |
| R6.htm | 8269 | 2011-08-09 16:07:46 |
| R7.htm | 12066 | 2011-08-09 16:07:46 |
| R8.htm | 19375 | 2011-08-09 16:07:46 |
| R9.htm | 37378 | 2011-08-09 16:07:46 |
| report.css | 2721 | 2011-08-09 16:07:46 |
| Show.js | 6423 | 2011-08-09 16:07:46 |
| spro-20110630.xml | 94525 | 2011-08-09 16:07:46 |
| spro-20110630.xsd | 11701 | 2011-08-09 16:07:46 |
| spro-20110630_cal.xml | 36181 | 2011-08-09 16:07:46 |
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| spro-20110630_lab.xml | 171188 | 2011-08-09 16:07:46 |
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| spro-2011630x10q.htm | 475545 | 2011-08-09 16:07:46 |
| spro-2011630_ex311.htm | 15723 | 2011-08-09 16:07:46 |
| spro-2011630_ex312.htm | 15735 | 2011-08-09 16:07:46 |
| spro-2011630_ex321.htm | 13595 | 2011-08-09 16:07:46 |