Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000007039-21-000057-index-headers.html | 2021-05-14 16:53:54 | |
| 0000007039-21-000057-index.html | 2021-05-14 16:53:54 | |
| 0000007039-21-000057.txt | 2021-05-14 16:53:54 | |
 0000007039-21-000057-xbrl.zip | 12988 | 2021-05-14 16:53:54 |
| FilingSummary.xml | 1676 | 2021-05-14 16:53:54 |
| Financial_Report.xlsx | 5678 | 2021-05-14 16:53:54 |
| MetaLinks.json | 17730 | 2021-05-14 16:53:54 |
| R1.htm | 40141 | 2021-05-14 16:53:54 |
| report.css | 2767 | 2021-05-14 16:53:54 |
| Show.js | 1085 | 2021-05-14 16:53:54 |
| trec-20210514.htm | 55680 | 2021-05-14 16:53:54 |
| trec-20210514.xsd | 2420 | 2021-05-14 16:53:54 |
| trec-20210514_cal.xml | 708 | 2021-05-14 16:53:54 |
| trec-20210514_def.xml | 1641 | 2021-05-14 16:53:54 |
| trec-20210514_htm.xml | 14820 | 2021-05-14 16:53:54 |
| trec-20210514_lab.xml | 24993 | 2021-05-14 16:53:54 |
| trec-20210514_pre.xml | 13188 | 2021-05-14 16:53:54 |