Note 10 - Related Party Transactions	12 Months Ended
Dec. 31, 2018
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	NOTE 10 —RELATED PARTY TRANSACTIONS Mineral Lease and Surface Rights Agreements Much of the coal reserves and surface rights that the Company controls were acquired through a series of mineral leases and surface rights agreements with Ramaco Coal, LLC. Payments of minimum coal royalties and throughput payments commenced in 2017 pursuant to the terms of the agreements. Amounts due to Ramaco Coal, LLC of $2.9 million and $0.1 million at December 31, 2018 and 2017, respectively, are included in accounts payable in the consolidated balance sheet and represent production royalty payables. Royalties of $1.9 million and $0.8 million were paid to Ramaco Coal, LLC in 2018 and 2017, respectively. Related Party Borrowings Ramaco Coal, LLC historically funded the operating activities of the Company for periods before August 2015. Funds advanced by Ramaco Coal, LLC for development of the Company were reflected in the consolidated balance sheets as a note payable. This note payable was subsequently paid in its entirety using proceeds from the Company’s IPO. In May 2018, the Company borrowed $3.0 million from Ramaco Coal, LLC, pursuant to the Ramaco Coal Note. Interest accrued monthly at 10.0%. The Ramaco Coal Note was repaid on November 5, 2018 with proceeds from the Credit Facility. On-going Administrative Services Under a Mutual Services Agreement dated December 22, 2017 but effective as of March 31, 2017, the Company and Ramaco Coal, LLC agreed to share the services of certain of each company’s employees. Each party will pay the other a fee on a quarterly basis for such services calculated as the annual base salary of each employee providing services multiplied by the percentage of time each employee spent providing services for the other party. The services will be provided for 12 -month terms, but may be terminated by either party at the end of any 12 -month term by providing written notice at least 30 days prior to the end of the then-current term. No payments were made to either party under this agreement in 2018 or 2017.

NOTE

—RELATED PARTY TRANSACTIONS

Mineral Lease and Surface Rights Agreements

Much of the coal reserves and surface rights that the Company controls were acquired through a series of mineral leases and surface rights agreements with Ramaco Coal, LLC. Payments of minimum coal royalties and throughput payments commenced in

2017

pursuant to the terms of the agreements. Amounts due to Ramaco Coal, LLC of

$2.9

million and

$0.1

million at

December

31,

2018

and

2017,

respectively, are included in accounts payable in the consolidated balance sheet and represent production royalty payables. Royalties of

$1.9

million and

$0.8

million were paid to Ramaco Coal, LLC in

2018

and

2017,

respectively.

Related Party Borrowings

Ramaco Coal, LLC historically funded the operating activities of the Company for periods before

August 2015.

Funds advanced by Ramaco Coal, LLC for development of the Company were reflected in the consolidated balance sheets as a note payable. This note payable was subsequently paid in its entirety using proceeds from the Company’s IPO.

May 2018,

the Company borrowed

$3.0

million from Ramaco Coal, LLC, pursuant to the Ramaco Coal Note. Interest accrued monthly at

10.0%.

The Ramaco Coal Note was repaid on

November 5, 2018

with proceeds from the Credit Facility.

On-going Administrative Services

Under a Mutual Services Agreement dated

December 22, 2017

but effective as of

March 31, 2017,

the Company and Ramaco Coal, LLC agreed to share the services of certain of each company’s employees. Each party will pay the other a fee on a quarterly basis for such services calculated as the annual base salary of each employee providing services multiplied by the percentage of time each employee spent providing services for the other party. The services will be provided for

-month terms, but

may

be terminated by either party at the end of any

-month term by providing written notice at least

days prior to the end of the then-current term.

payments were made to either party under this agreement in

2018

2017.