Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | efr-20211231.htm iXBRL | 10-K | 3736561 |
| 2 | EX-4.2 | efr12312021-ex42.htm | EX-4.2 | 6468 |
| 3 | EX-21.1 | efr12312021-ex211.htm | EX-21.1 | 798 |
| 4 | EX-23.1 | efr12312021-ex231.htm | EX-23.1 | 2785 |
| 5 | EX-23.2 | efr12312021-ex232.htm | EX-23.2 | 5734 |
| 6 | EX-23.3 | efr12312021-ex233.htm | EX-23.3 | 5481 |
| 7 | EX-23.4 | efr12312021-ex234.htm | EX-23.4 | 5338 |
| 8 | EX-23.5 | efr12312021-ex235.htm | EX-23.5 | 5387 |
| 9 | EX-23.6 | efr12312021-ex236.htm | EX-23.6 | 6203 |
| 10 | EX-23.7 | efr12312021-ex237.htm | EX-23.7 | 5218 |
| 11 | EX-23.8 | efr12312021-ex238.htm | EX-23.8 | 5645 |
| 12 | EX-23.9 | efr12312021-ex239.htm | EX-23.9 | 5576 |
| 13 | EX-23.10 | efr12312021-ex2310.htm | EX-23.10 | 4661 |
| 14 | EX-23.11 | efr12312021-ex2311.htm | EX-23.11 | 5870 |
| 15 | EX-31.1 | efr12312021-ex311.htm | EX-31.1 | 20641 |
| 16 | EX-31.2 | efr12312021-ex312.htm | EX-31.2 | 20650 |
| 17 | EX-32.1 | efr12312021-ex321.htm | EX-32.1 | 7194 |
| 18 | EX-32.2 | efr12312021-ex322.htm | EX-32.2 | 7203 |
| 19 | EX-95.1 | efr12312021-ex951.htm | EX-95.1 | 42508 |
| 25 | efr-20211231_g1.jpg | GRAPHIC | 34402 | |
| 26 | efr-20211231_g10.jpg | GRAPHIC | 300409 | |
| 27 | efr-20211231_g11.jpg | GRAPHIC | 144943 | |
| 28 | efr-20211231_g12.jpg | GRAPHIC | 1206936 | |
| 29 | efr-20211231_g13.jpg | GRAPHIC | 331157 | |
| 30 | efr-20211231_g14.jpg | GRAPHIC | 281678 | |
| 31 | efr-20211231_g15.jpg | GRAPHIC | 335745 | |
| 32 | efr-20211231_g16.jpg | GRAPHIC | 361901 | |
| 33 | efr-20211231_g17.jpg | GRAPHIC | 301346 | |
| 34 | efr-20211231_g18.jpg | GRAPHIC | 413523 | |
| 35 | efr-20211231_g19.jpg | GRAPHIC | 261087 | |
| 36 | efr-20211231_g2.jpg | GRAPHIC | 102804 | |
| 37 | efr-20211231_g20.jpg | GRAPHIC | 401965 | |
| 38 | efr-20211231_g21.jpg | GRAPHIC | 234474 | |
| 39 | efr-20211231_g22.jpg | GRAPHIC | 169514 | |
| 40 | efr-20211231_g23.jpg | GRAPHIC | 74343 | |
| 41 | efr-20211231_g3.jpg | GRAPHIC | 78780 | |
| 42 | efr-20211231_g4.jpg | GRAPHIC | 555360 | |
| 43 | efr-20211231_g5.jpg | GRAPHIC | 336581 | |
| 44 | efr-20211231_g6.jpg | GRAPHIC | 306187 | |
| 45 | efr-20211231_g7.jpg | GRAPHIC | 423642 | |
| 46 | efr-20211231_g8.jpg | GRAPHIC | 619637 | |
| 47 | efr-20211231_g9.jpg | GRAPHIC | 361901 | |
| 48 | efriheading.jpg | GRAPHIC | 17851 | |
| 49 | efriheading1.jpg | GRAPHIC | 17851 | |
| 50 | entityorganizationchart_cu.jpg | GRAPHIC | 326515 | |
| 51 | slrfooting.jpg | GRAPHIC | 10977 | |
| 52 | slrfooting1.jpg | GRAPHIC | 10977 | |
| 53 | slrfooting2.jpg | GRAPHIC | 10977 | |
| 54 | slrfooting3.jpg | GRAPHIC | 10977 | |
| 55 | slrheading.jpg | GRAPHIC | 27826 | |
| 56 | slrheading1.jpg | GRAPHIC | 27826 | |
| 57 | slrheading2.jpg | GRAPHIC | 27826 | |
| 58 | slrheading3.jpg | GRAPHIC | 27826 | |
| Complete submission text file | 0001385849-22-000024.txt | 34062315 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 20 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | efr-20211231.xsd | EX-101.SCH | 84235 |
| 21 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | efr-20211231_cal.xml | EX-101.CAL | 78925 |
| 22 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | efr-20211231_def.xml | EX-101.DEF | 363746 |
| 23 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | efr-20211231_lab.xml | EX-101.LAB | 892257 |
| 24 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | efr-20211231_pre.xml | EX-101.PRE | 587623 |
| 147 | EXTRACTED XBRL INSTANCE DOCUMENT | efr-20211231_htm.xml | XML | 1940046 |
EIN.: 000000000 | State of Incorp.: A6 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-36204 | Film No.: 22741055
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)