Arelle
Filing Index
HALLADOR ENERGY CO
COMPANY
8-K
FORM
2026-10-08
FILING DATE
2026-10-07
PERIOD END
22
FACTS
SIC
4911
Filing Software
Workiva
CIK
0000788965
Taxonomy
DEI 2026
SIC
4911
CIK
0000788965
Filing Software
Workiva
Taxonomy
DEI 2026
Standard Concepts
22
Extended Concepts
0
0%
Extended Concepts
Errors
0
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
SEC:
Filing
|
Interactive Data