Amount, before unamortized (discount) premium and debt issuance costs, of short-term debt.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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The cash outflow for a borrowing supported by a written promise to pay an obligation.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Note 4 - Debt (Details Textual) - USD ($)	1 Months Ended			9 Months Ended
Note 4 - Debt (Details Textual) - USD ($)	Jun. 30, 2018	May 30, 2018	Feb. 28, 2018	Sep. 30, 2018	Sep. 30, 2017
Proceeds from Notes Payable, Total				$ 13,000,000
Repayments of Notes Payable				1,000,000	500,000
Proceeds from Related Party Debt				3,000,000
Ramaco Coal, LLC [Member] \| Related Party Borrowings [Member]
Debt Instrument, Interest Rate, Stated Percentage		10.00%
Proceeds from Related Party Debt		$ 3,000,000
Short-term Debt, Total	$ 3,000,000			3,000,000
Notes Payable to Banks [Member] \| Equipment Note [Member]
Proceeds from Notes Payable, Total			$ 6,000,000
Debt Instrument, Interest Rate, Stated Percentage			8.50%
Debt Issuance Costs, Gross			$ 300,000
Repayments of Notes Payable				1,000,000
Short-term Debt, Gross				5,000,000
Notes Payable to Banks [Member] \| Equipment Note [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate			6.90%
Notes Payable to Banks [Member] \| Additional Equipment Note [Member]
Proceeds from Notes Payable, Total	$ 7,000,000
Debt Instrument, Interest Rate, Stated Percentage	8.50%
Debt Issuance Costs, Gross	$ 200,000
Short-term Debt, Total				6,900,000
Debt Instrument, Face Amount				$ 7,000,000
Notes Payable to Banks [Member] \| Additional Equipment Note [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	6.90%