Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000844965-21-000002-index-headers.html | 2021-03-05 16:49:42 | |
| 0000844965-21-000002-index.html | 2021-03-05 16:49:42 | |
| 0000844965-21-000002.txt | 2021-03-05 16:49:42 | |
 0000844965-21-000002-xbrl.zip | 438359 | 2021-03-05 16:49:42 |
| a20201231ex21.htm | 30794 | 2021-03-05 16:49:42 |
| a20201231ex231.htm | 2743 | 2021-03-05 16:49:42 |
| a20201231ex232.htm | 6959 | 2021-03-05 16:49:42 |
| a20201231ex311.htm | 11821 | 2021-03-05 16:49:42 |
| a20201231ex312.htm | 12377 | 2021-03-05 16:49:42 |
| a20201231ex321.htm | 6984 | 2021-03-05 16:49:42 |
| a20201231ex322.htm | 7117 | 2021-03-05 16:49:42 |
| FilingSummary.xml | 40689 | 2021-03-05 16:49:42 |
| Financial_Report.xlsx | 133121 | 2021-03-05 16:49:42 |
| MetaLinks.json | 863188 | 2021-03-05 16:49:42 |
| R1.htm | 61043 | 2021-03-05 16:49:42 |
| R10.htm | 5759 | 2021-03-05 16:49:42 |
| R11.htm | 109038 | 2021-03-05 16:49:42 |
| R12.htm | 14924 | 2021-03-05 16:49:42 |
| R13.htm | 76224 | 2021-03-05 16:49:42 |
| R14.htm | 107332 | 2021-03-05 16:49:42 |
| R15.htm | 33696 | 2021-03-05 16:49:42 |
| R16.htm | 16313 | 2021-03-05 16:49:42 |
| R17.htm | 6987 | 2021-03-05 16:49:42 |
| R18.htm | 13877 | 2021-03-05 16:49:42 |
| R19.htm | 41384 | 2021-03-05 16:49:42 |
| R2.htm | 7467 | 2021-03-05 16:49:42 |
| R20.htm | 15604 | 2021-03-05 16:49:42 |
| R21.htm | 12292 | 2021-03-05 16:49:42 |
| R22.htm | 19779 | 2021-03-05 16:49:42 |
| R23.htm | 29189 | 2021-03-05 16:49:42 |
| R24.htm | 70091 | 2021-03-05 16:49:42 |
| R25.htm | 53551 | 2021-03-05 16:49:42 |
| R26.htm | 96600 | 2021-03-05 16:49:42 |
| R27.htm | 150870 | 2021-03-05 16:49:42 |
| R28.htm | 6661 | 2021-03-05 16:49:42 |
| R29.htm | 144077 | 2021-03-05 16:49:42 |
| R3.htm | 27203 | 2021-03-05 16:49:42 |
| R30.htm | 32612 | 2021-03-05 16:49:42 |
| R31.htm | 108303 | 2021-03-05 16:49:42 |
| R32.htm | 27844 | 2021-03-05 16:49:42 |
| R33.htm | 13516 | 2021-03-05 16:49:42 |
| R34.htm | 14293 | 2021-03-05 16:49:42 |
| R35.htm | 35789 | 2021-03-05 16:49:42 |
| R36.htm | 14805 | 2021-03-05 16:49:42 |
| R37.htm | 22368 | 2021-03-05 16:49:42 |
| R38.htm | 27447 | 2021-03-05 16:49:42 |
| R39.htm | 52756 | 2021-03-05 16:49:42 |
| R4.htm | 137364 | 2021-03-05 16:49:42 |
| R40.htm | 45174 | 2021-03-05 16:49:42 |
| R41.htm | 91154 | 2021-03-05 16:49:42 |
| R42.htm | 133987 | 2021-03-05 16:49:42 |
| R43.htm | 5024 | 2021-03-05 16:49:42 |
| R44.htm | 73250 | 2021-03-05 16:49:42 |
| R45.htm | 173954 | 2021-03-05 16:49:42 |
| R46.htm | 28828 | 2021-03-05 16:49:42 |
| R47.htm | 4440 | 2021-03-05 16:49:42 |
| R48.htm | 19683 | 2021-03-05 16:49:42 |
| R49.htm | 14955 | 2021-03-05 16:49:42 |
| R5.htm | 18212 | 2021-03-05 16:49:42 |
| R50.htm | 13245 | 2021-03-05 16:49:42 |
| R51.htm | 12508 | 2021-03-05 16:49:42 |
| R52.htm | 18343 | 2021-03-05 16:49:42 |
| R53.htm | 7018 | 2021-03-05 16:49:42 |
| R54.htm | 10099 | 2021-03-05 16:49:42 |
| R55.htm | 7014 | 2021-03-05 16:49:42 |
| R56.htm | 9005 | 2021-03-05 16:49:42 |
| R57.htm | 24031 | 2021-03-05 16:49:42 |
| R58.htm | 20246 | 2021-03-05 16:49:42 |
| R59.htm | 85363 | 2021-03-05 16:49:42 |
| R6.htm | 81728 | 2021-03-05 16:49:42 |
| R60.htm | 36376 | 2021-03-05 16:49:42 |
| R61.htm | 33706 | 2021-03-05 16:49:42 |
| R62.htm | 51889 | 2021-03-05 16:49:42 |
| R63.htm | 138621 | 2021-03-05 16:49:42 |
| R64.htm | 47202 | 2021-03-05 16:49:42 |
| R65.htm | 65572 | 2021-03-05 16:49:42 |
| R66.htm | 109947 | 2021-03-05 16:49:42 |
| R67.htm | 80513 | 2021-03-05 16:49:42 |
| R68.htm | 29350 | 2021-03-05 16:49:42 |
| R69.htm | 20900 | 2021-03-05 16:49:42 |
| R7.htm | 16084 | 2021-03-05 16:49:42 |
| R8.htm | 5802 | 2021-03-05 16:49:42 |
| R9.htm | 78418 | 2021-03-05 16:49:42 |
| report.css | 2767 | 2021-03-05 16:49:42 |
| Show.js | 1085 | 2021-03-05 16:49:42 |
| tti-20201231.htm | 2735726 | 2021-03-05 16:49:42 |
| tti-20201231.xsd | 52303 | 2021-03-05 16:49:42 |
| tti-20201231_cal.xml | 128788 | 2021-03-05 16:49:42 |
| tti-20201231_def.xml | 344740 | 2021-03-05 16:49:42 |
| tti-20201231_htm.xml | 2433843 | 2021-03-05 16:49:42 |
| tti-20201231_lab.xml | 912970 | 2021-03-05 16:49:42 |
| tti-20201231_pre.xml | 599500 | 2021-03-05 16:49:42 |