Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 9,407	$ 9,788
Restricted cash (Note 5)	3,428	2,817
Certificates of deposit	2,735	7,315
Marketable securities	1,924	1,763
Accounts receivable	16,776	22,307
Prepaid income taxes	1,588
Coal inventory	15,121	10,100
Parts and supply inventory	10,543	10,091
Purchased coal contracts	2,045	8,922
Prepaid expenses	10,401	9,647
Total current assets	73,968	82,750
Coal properties, at cost:
Land and mineral rights	129,724	126,303
Buildings and equipment	351,334	339,999
Mine development	134,537	126,037
Total coal properities, at cost	615,595	592,339
Less - accumulated DD&A	(196,805)	(169,579)
Total coal properties, net	418,790	422,760
Other assets (Note 4)	14,271	14,114
Total assets	518,981	531,323
Current liabilities:
Current portion of bank debt, net (Note 2)	33,171	28,796
Accounts payable and accrued liabilities	19,822	19,773
Total current liabilities	52,993	48,569
Long-term liabilities:
Bank debt, net (Note 2)	174,066	204,944
Deferred income taxes	47,325	45,174
Asset retirement obligations (ARO)	13,699	13,260
Other	1,921	2,486
Total long-term liabilities	237,011	265,864
Total liabilities	290,004	314,433
Stockholders' equity:
Preferred stock, $.10 par value, 10,000 shares authorized; none issued
Common stock, $.01 par value, 100,000 shares authorized; 29,810 and 29,413 shares	298	294
Additional paid-in capital	97,738	93,816
Retained earnings	130,120	122,052
Accumulated other comprehensive income	821	728
Total stockholders' equity	228,977	216,890
Total liabilities and stockholders' equity	518,981	531,323
Savoy [Member]
Coal properties, at cost:
Investment in subsidiaries (Note 3)	7,986	7,577
Sunrise Energy [Member]
Coal properties, at cost:
Investment in subsidiaries (Note 3)	$ 3,966	$ 4,122