Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net loss	$ (12,816,658)	$ (5,980,062)
Adjustments to reconcile net loss to net cash from operating activities:
Accretion of asset retirement obligations	303,829	134,788
Depreciation, depletion and amortization	1,334,983	60,519
Costs associated with abandoned offering		3,089,079
Equity-based compensation	2,465,340	67,894
Changes in operating assets and liabilities:
Accounts receivable	(1,701,986)	(401,216)
Prepaid expenses	(1,084,917)	188,048
Inventory	(2,433,262)
Advanced coal royalties	(934,482)
Other assets and liabilities	(364,160)	(21,341)
Accounts payable	2,327,052	306,991
Accrued expenses	(382,831)	(263,108)
Net cash from operating activities	(12,521,430)	(2,292,192)
Cash flow from investing activities
Purchases of property, plant and equipment	(53,280,926)	(2,663,967)
Purchases of investment securities	(14,913,824)	(64,782,707)
Proceeds from maturities of investment securities	55,490,696
Net cash from investing activities	(12,704,054)	(67,446,674)
Cash flows from financing activities
Proceeds from issuance of common stock	47,709,000
Payment of equity offering costs	(1,755,687)	(133,848)
Issuance of Series A preferred units		83,704,055
Proceeds from note payable - related party		4,000,000
Repayments to Ramaco Coal, LLC, net	(10,629,275)	(53,735)
Repayments of financed insurance payable	(127,048)	(304,044)
Payment of distributions	(5,405,064)
Payment of note payable	(500,000)
Contributed capital from existing members		500,000
Net cash from financing activities	29,291,926	87,712,428
Net change in cash and cash equivalents	4,066,442	17,973,562
Cash and cash equivalents, beginning of period	5,196,914	993,627
Cash and cash equivalents, end of period	9,263,356	18,967,189
Supplemental cash flow information:
Cash paid for interest	81,324	1,242
Non-cash investing and financing activities:
Increase in prepaid expenses and financed insurance payable	57,633	310,089
Capital expenditures included in accounts payable	3,201,790	2,076,336
Additional asset retirement obligations acquired or incurred	478,921	7,416,164
Series A preferred units issued in exchange for note payable – related party		4,045,945
Paid-in kind distribution on Series A preferred units		776,712
Accretion - Series A preferred units	123,825	61,740
Sale of equipment for receivable	$ 271,638