Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Taxes [Abstract]

Expected Income Tax

Our income tax is different than the expected amount computed using the applicable federal and state statutory income tax rates.  The reasons for and effects of such differences for the years ended December 31 are below:

	2016			2015				2014
Expected amount	$	2,966		$	9,653		$	3,745
Change in Indiana rate					(85	)		(1,407	)
State income taxes, net of federal benefit		(387	)		612			186
Percentage depletion		(6,021	)		(2,606	)		(1,996	)
Stock-based compensation		(238	)					343
Captive insurance		(418	)		(419	)		(419	)
Other		72			283			30
	$	(4,026	)	$	7,438		$	482

Schedule of Deferred Tax Assets and Liabilities

The deferred tax assets and liabilities resulting from temporary differences between book and tax basis are comprised of the following at December 31: 

		2016			2015
Long-term deferred tax assets:
Stock-based compensation	$	512		$	458
Investment in Savoy		1,031			827
Net operating loss		14,908			7,583
Alternative minimum tax credit		4,221			4,388
Other		564			18
Total long-term deferred tax assets		21,236			13,274
Long-term deferred tax liabilities:
Coal properties		(50,439	)		(46,596	)
Oil and gas properties		(15,971	)		(15,711	)
Total long-term deferred tax liabilities		(66,410	)		(62,307	)
Net deferred tax liability	$	(45,174	)	$	(49,033	)