Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 21,025	$ 16,228
Marketable securities	1,753
Accounts receivable	10,653	10,577
Prepaid income taxes	340	4,661
Coal inventory	6,448	4,778
Parts and supply inventory	2,609	2,826
Other	82	291
Total current assets	42,910	39,361
Coal properties, at cost:
Land and mineral rights	27,704	26,476
Buildings and equipment	155,405	148,077
Mine development	85,813	85,333
Total coal properities, at cost	268,922	259,886
Less - accumulated DD&A	(87,605)	(77,545)
Total coal properties, net	181,317	182,341
Other assets (Note 5)	17,000	17,405
Total assets	264,469	260,413
Current liabilities:
Accounts payable and accrued liabilities	11,688	10,357
Long-term liabilities:
Bank debt	16,000	16,000
Deferred income taxes	40,899	43,304
Asset retirement obligations	5,443	5,290
Other	1,448	2,128
Total long-term liabilities	63,790	66,722
Total liabilities	75,478	77,079
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, $.10 par value, 10,000 shares authorized; none issued
Common stock, $.01 par value, 100,000 shares authorized; 28,771 and 28,751 shares outstanding, respectively	287	287
Additional paid-in capital	89,141	87,872
Retained earnings	98,996	94,796
Accumulated other comprehensive income	567	379
Total stockholders' equity	188,991	183,334
Total liabilities and stockholders' equity	264,469	260,413
Savoy [Member]
Current assets:
Total current assets	31,544
Coal properties, at cost:
Investment in subsidiaries	18,582	16,733
Total assets	59,412
Long-term liabilities:
Total liabilities	16,234
Stockholders' equity:
Total liabilities and stockholders' equity	59,412
Sunsrise Energy [Member]
Coal properties, at cost:
Investment in subsidiaries	$ 4,660	$ 4,573