Note 10 - Related Party Transactions (Details) - Ramaco Coal, LLC - USD ($)	Jun. 30, 2019	Dec. 31, 2018
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RELATED PARTY TRANSACTIONS
Due to Related Parties, Total	$ 4,000
Accounts Payable and Accrued Liabilities \| Mineral Lease and Surface Rights Agreements
RELATED PARTY TRANSACTIONS
Due to Related Parties, Total	$ 800,000	$ 2,900,000

Carrying amount as of the balance sheet date of obligations due all related parties.

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