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Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan."}],"balance_after":2000,"derivative":{"underlying":"common stock par value $.01","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001771506-20-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/788965/000177150620000001/primary_doc.xml","form_type":"5"}},{"id":3272340,"issuer":{"id":5143,"kind":"organization","name":"HALLADOR ENERGY CO"},"owners":[{"id":95789,"kind":"person","name":"Davis Robert Todd","position":1,"cik":"0001771506","reported_name":"Davis Robert Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"common stock par value $.01","published_at":"2020-02-14T22:32:55.000Z","date":"2019-12-01","kind":"tax_withholding","acquired":false,"shares":874,"price":2.99,"value":2613.26,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan."}],"balance_after":1126,"source":{"system":"sec-edgar","filing":"0001771506-20-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/788965/000177150620000001/primary_doc.xml","form_type":"5"}},{"id":3272339,"issuer":{"id":5143,"kind":"organization","name":"HALLADOR ENERGY CO"},"owners":[{"id":95789,"kind":"person","name":"Davis Robert Todd","position":1,"cik":"0001771506","reported_name":"Davis Robert Todd","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"common stock par value $.01","published_at":"2020-02-14T22:32:55.000Z","date":"2019-12-01","kind":"exercise","acquired":true,"shares":2000,"price":2.99,"value":5980.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents Restricted Stock Units that vested on December 1, 2019. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan."}],"balance_after":2000,"source":{"system":"sec-edgar","filing":"0001771506-20-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/788965/000177150620000001/primary_doc.xml","form_type":"5"}}]}