Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000898432-21-000345-index-headers.html | 2021-04-26 15:57:47 | |
| 0000898432-21-000345-index.html | 2021-04-26 15:57:47 | |
| 0000898432-21-000345.txt | 2021-04-26 15:57:47 | |
 0000898432-21-000345-xbrl.zip | 77787 | 2021-04-26 15:57:47 |
 BarChart1.png | 12752 | 2021-04-26 15:57:47 |
| FilingSummary.xml | 4140 | 2021-04-26 15:57:47 |
 image0.jpg | 71778 | 2021-04-26 15:57:47 |
 image1.jpg | 7403 | 2021-04-26 15:57:47 |
| MetaLinks.json | 279775 | 2021-04-26 15:57:47 |
| nbef-20210426.htm | 33539 | 2021-04-26 15:57:47 |
| nbef-20210426.xsd | 7469 | 2021-04-26 15:57:47 |
| nbef-20210426_cal.xml | 4945 | 2021-04-26 15:57:47 |
| nbef-20210426_def.xml | 123065 | 2021-04-26 15:57:47 |
| nbef-20210426_htm.xml | 25815 | 2021-04-26 15:57:47 |
| nbef-20210426_lab.xml | 190903 | 2021-04-26 15:57:47 |
| nbef-20210426_pre.xml | 136609 | 2021-04-26 15:57:47 |
| R1.htm | 17805 | 2021-04-26 15:57:47 |
| R2.htm | 54134 | 2021-04-26 15:57:47 |
| R5.htm | 100165 | 2021-04-26 15:57:47 |
| R6.htm | 3936 | 2021-04-26 15:57:47 |
| report.css | 2767 | 2021-04-26 15:57:47 |
| Show.js | 1085 | 2021-04-26 15:57:47 |