Document Format Files
Data Files
Seq | Description | Document | Type | Size |
---|---|---|---|---|
14 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | pfie-20210331.xsd | EX-101.SCH | 22621 |
15 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | pfie-20210331_cal.xml | EX-101.CAL | 74338 |
16 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | pfie-20210331_def.xml | EX-101.DEF | 83370 |
17 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | pfie-20210331_lab.xml | EX-101.LAB | 334528 |
18 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | pfie-20210331_pre.xml | EX-101.PRE | 202934 |
42 | EXTRACTED XBRL INSTANCE DOCUMENT | pfie-20210331_htm.xml | XML | 517385 |
IRS No.: 200019425 | State of Incorp.: NV | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-36378 | Film No.: 21893134
SIC: 3533 Oil & Gas Field Machinery & Equipment