Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

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 (in thousands):

	2019		2018
Expected amount	$	(17,262)	$	737
State income taxes, net of federal benefit		(3,831)		(654)
Percentage depletion		(1,475)		(3,278)
Stock-based compensation		326		(15)
Captive insurance		(271)		—
Return to provision adjustments		(78)		(592)
Other		244		(273)
	$	(22,347)	$	(4,075)

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 (in thousands):

	2019		2018
Long-term deferred tax assets:
Net operating loss	$	18,956	$	17,194
Interest limitation carryforward		1,801		441
Capital loss carryforward		555		10
Alternative minimum tax credit		524		1,049
Stock-based compensation		135		613
Other		1,294		985
Total long-term deferred tax assets:		23,265		20,292
Coal properties		(27,884)		(46,733)
Net deferred tax liability	$	(4,619)	$	(26,441)