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| 0001171843-21-003388-index.html | 2021-05-11 16:30:28 | |
| 0001171843-21-003388.txt | 2021-05-11 16:30:28 | |
 0001171843-21-003388-xbrl.zip | 71294 | 2021-05-11 16:30:28 |
| exh_101.htm | 23174 | 2021-05-11 16:30:28 |
| exh_311.htm | 8230 | 2021-05-11 16:30:28 |
| exh_312.htm | 8179 | 2021-05-11 16:30:28 |
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| f10q_051121p.htm | 342822 | 2021-05-11 16:30:28 |
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| R9.htm | 51603 | 2021-05-11 16:30:28 |
| report.css | 2767 | 2021-05-11 16:30:28 |
| Show.js | 1085 | 2021-05-11 16:30:28 |
| tcco-20210327.xml | 441738 | 2021-05-11 16:30:28 |
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