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| 0001360865-12-000084-index.html | 2012-05-16 19:40:37 | |
| 0001360865-12-000084.txt | 2012-05-16 19:40:37 | |
 0001360865-12-000084-xbrl.zip | 27654 | 2012-05-16 19:40:37 |
| exhibit311.htm | 7278 | 2012-05-16 19:40:37 |
| exhibit312.htm | 7262 | 2012-05-16 19:40:37 |
| exhibit321.htm | 3538 | 2012-05-16 19:40:37 |
| exhibit322.htm | 3572 | 2012-05-16 19:40:37 |
| FilingSummary.xml | 7172 | 2012-05-16 19:40:37 |
| Financial_Report.xls | 81245 | 2012-05-16 19:40:37 |
| hstc-20120331.xml | 67437 | 2012-05-16 19:40:37 |
| hstc-20120331.xsd | 10810 | 2012-05-16 19:40:37 |
| hstc-20120331_cal.xml | 5307 | 2012-05-16 19:40:37 |
| hstc-20120331_def.xml | 57730 | 2012-05-16 19:40:37 |
| hstc-20120331_lab.xml | 77640 | 2012-05-16 19:40:37 |
| hstc-20120331_pre.xml | 70650 | 2012-05-16 19:40:37 |
| hstc10q1q2012.htm | 142596 | 2012-05-16 19:40:37 |
| R1.htm | 36432 | 2012-05-16 19:40:37 |
| R10.htm | 20522 | 2012-05-16 19:40:37 |
| R11.htm | 7093 | 2012-05-16 19:40:37 |
| R12.htm | 29308 | 2012-05-16 19:40:37 |
| R2.htm | 49396 | 2012-05-16 19:40:37 |
| R3.htm | 32534 | 2012-05-16 19:40:37 |
| R4.htm | 80212 | 2012-05-16 19:40:37 |
| R5.htm | 56891 | 2012-05-16 19:40:37 |
| R6.htm | 35341 | 2012-05-16 19:40:37 |
| R7.htm | 6345 | 2012-05-16 19:40:37 |
| R8.htm | 19788 | 2012-05-16 19:40:37 |
| R9.htm | 13467 | 2012-05-16 19:40:37 |
| report.css | 2721 | 2012-05-16 19:40:37 |
| Show.js | 6423 | 2012-05-16 19:40:37 |