Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000915840-19-000019-index-headers.html | 2019-03-11 16:45:19 | |
| 0000915840-19-000019-index.html | 2019-03-11 16:45:19 | |
| 0000915840-19-000019.txt | 2019-03-11 16:45:19 | |
 0000915840-19-000019-xbrl.zip | 260216 | 2019-03-11 16:45:19 |
| bzh-123118document10qa.htm | 41440 | 2019-03-11 16:45:19 |
| bzh-20181231.xml | 2662750 | 2019-03-11 16:45:19 |
| bzh-20181231.xsd | 60041 | 2019-03-11 16:45:19 |
| bzh-20181231_cal.xml | 82790 | 2019-03-11 16:45:19 |
| bzh-20181231_def.xml | 281914 | 2019-03-11 16:45:19 |
| bzh-20181231_lab.xml | 654169 | 2019-03-11 16:45:19 |
| bzh-20181231_pre.xml | 452362 | 2019-03-11 16:45:19 |
| FilingSummary.xml | 44533 | 2019-03-11 16:45:19 |
| Financial_Report.xlsx | 100014 | 2019-03-11 16:45:19 |
| R1.htm | 25864 | 2019-03-11 16:45:19 |
| R10.htm | 142152 | 2019-03-11 16:45:19 |
| R11.htm | 19191 | 2019-03-11 16:45:19 |
| R12.htm | 57807 | 2019-03-11 16:45:19 |
| R13.htm | 25690 | 2019-03-11 16:45:19 |
| R14.htm | 58312 | 2019-03-11 16:45:19 |
| R15.htm | 9444 | 2019-03-11 16:45:19 |
| R16.htm | 39698 | 2019-03-11 16:45:19 |
| R17.htm | 38351 | 2019-03-11 16:45:19 |
| R18.htm | 20015 | 2019-03-11 16:45:19 |
| R19.htm | 75220 | 2019-03-11 16:45:19 |
| R2.htm | 55127 | 2019-03-11 16:45:19 |
| R20.htm | 488278 | 2019-03-11 16:45:19 |
| R21.htm | 28516 | 2019-03-11 16:45:19 |
| R22.htm | 5597 | 2019-03-11 16:45:19 |
| R23.htm | 40188 | 2019-03-11 16:45:19 |
| R24.htm | 14101 | 2019-03-11 16:45:19 |
| R25.htm | 20233 | 2019-03-11 16:45:19 |
| R26.htm | 17826 | 2019-03-11 16:45:19 |
| R27.htm | 141793 | 2019-03-11 16:45:19 |
| R28.htm | 18648 | 2019-03-11 16:45:19 |
| R29.htm | 48218 | 2019-03-11 16:45:19 |
| R3.htm | 25702 | 2019-03-11 16:45:19 |
| R30.htm | 17621 | 2019-03-11 16:45:19 |
| R31.htm | 54992 | 2019-03-11 16:45:19 |
| R32.htm | 38180 | 2019-03-11 16:45:19 |
| R33.htm | 40462 | 2019-03-11 16:45:19 |
| R34.htm | 19573 | 2019-03-11 16:45:19 |
| R35.htm | 72583 | 2019-03-11 16:45:19 |
| R36.htm | 490070 | 2019-03-11 16:45:19 |
| R37.htm | 29916 | 2019-03-11 16:45:19 |
| R38.htm | 5727 | 2019-03-11 16:45:19 |
| R39.htm | 15345 | 2019-03-11 16:45:19 |
| R4.htm | 58072 | 2019-03-11 16:45:19 |
| R40.htm | 14527 | 2019-03-11 16:45:19 |
| R41.htm | 27788 | 2019-03-11 16:45:19 |
| R42.htm | 19391 | 2019-03-11 16:45:19 |
| R43.htm | 13811 | 2019-03-11 16:45:19 |
| R44.htm | 9857 | 2019-03-11 16:45:19 |
| R45.htm | 17120 | 2019-03-11 16:45:19 |
| R46.htm | 19951 | 2019-03-11 16:45:19 |
| R47.htm | 23428 | 2019-03-11 16:45:19 |
| R48.htm | 18113 | 2019-03-11 16:45:19 |
| R49.htm | 16968 | 2019-03-11 16:45:19 |
| R5.htm | 78820 | 2019-03-11 16:45:19 |
| R50.htm | 12570 | 2019-03-11 16:45:19 |
| R51.htm | 16161 | 2019-03-11 16:45:19 |
| R52.htm | 7274 | 2019-03-11 16:45:19 |
| R53.htm | 13453 | 2019-03-11 16:45:19 |
| R54.htm | 33301 | 2019-03-11 16:45:19 |
| R55.htm | 55688 | 2019-03-11 16:45:19 |
| R56.htm | 37003 | 2019-03-11 16:45:19 |
| R57.htm | 17676 | 2019-03-11 16:45:19 |
| R58.htm | 12492 | 2019-03-11 16:45:19 |
| R59.htm | 25570 | 2019-03-11 16:45:19 |
| R6.htm | 7026 | 2019-03-11 16:45:19 |
| R60.htm | 15159 | 2019-03-11 16:45:19 |
| R61.htm | 4161 | 2019-03-11 16:45:19 |
| R62.htm | 8645 | 2019-03-11 16:45:19 |
| R63.htm | 16222 | 2019-03-11 16:45:19 |
| R64.htm | 33609 | 2019-03-11 16:45:19 |
| R65.htm | 25587 | 2019-03-11 16:45:19 |
| R66.htm | 29828 | 2019-03-11 16:45:19 |
| R67.htm | 11088 | 2019-03-11 16:45:19 |
| R68.htm | 21465 | 2019-03-11 16:45:19 |
| R69.htm | 40964 | 2019-03-11 16:45:19 |
| R7.htm | 39524 | 2019-03-11 16:45:19 |
| R70.htm | 96303 | 2019-03-11 16:45:19 |
| R71.htm | 79381 | 2019-03-11 16:45:19 |
| R72.htm | 87862 | 2019-03-11 16:45:19 |
| R73.htm | 35248 | 2019-03-11 16:45:19 |
| R74.htm | 15646 | 2019-03-11 16:45:19 |
| R8.htm | 20928 | 2019-03-11 16:45:19 |
| R9.htm | 22399 | 2019-03-11 16:45:19 |
| report.css | 2767 | 2019-03-11 16:45:19 |
| Show.js | 1085 | 2019-03-11 16:45:19 |