Consolidated Statement of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Coal sales		$ 62,829	$ 66,274	$ 125,384	$ 142,069
MSHA reimbursement		1,250	1,753	1,636	1,753
Other income		206	363	587	853
Total revenue		64,312	68,564	127,865	144,449
Costs and expenses:
Operating costs and expenses		44,079	45,397	83,771	95,174
DD&A		9,101	9,056	18,804	18,238
ARO accretion		214	249	421	504
Coal exploration costs		275	395	414	814
SG&A		6,578	2,729	9,236	5,491
Interest	[1]	3,342	4,503	6,433	10,093
Total costs and expenses		63,589	62,329	119,079	130,314
Income before income taxes		723	6,235	8,786	14,135
Less income taxes:
Current		1,357	(768)	1,374
Deferred		(1,023)	1,150	(391)	2,120
Total income taxes		334	382	983	2,120
Net income	[2]	$ 389	$ 5,853	$ 7,803	$ 12,015
Net income per share(Note 6):
Basic and diluted (in Dollars per share)		$ 0.01	$ 0.19	$ 0.25	$ 0.40
Weighted average shares outstanding:
Basic and diluted (in Shares)		29,503	29,251	29,458	29,251
Net change in the estimated fair value of interest rate swap				$ (440)	$ 1,748
Change in fair value of interest rate swaps				(20)	249
Savoy [Member]
Revenue:
Equity income (loss)		$ 44	$ 257	256	(68)
Sunrise Energy [Member]
Revenue:
Equity income (loss)		$ (17)	$ (83)	$ 2	$ (158)

[1] Interest expense for the first six months of 2017 and 2016 includes $(440) and $1,748, respectively, for the net change in the estimated fair value of our interest rate swaps. Such amounts were $(20) and $249 for Q2 2017 and 2016, respectively.

[2] There is no material difference between net income and comprehensive income