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Note 11 - Federal and State Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		201 7				201 6
		(in thousands)
Deferred tax liabilities:
Property and equipment		$	60,388			$	85,233
Unrealized gains on securities			2,580				4,576
Prepaid expenses and other			2,603				3,230
Total deferred tax liabilities			65,571				93,039
Deferred tax assets:
Allowance for doubtful accounts			344				378
Alternative minimum tax credit carryforward			-				1,214
QAFMV tax credit carryforward			864				864
New hire tax credit			124				124
Compensated absences			410				650
Self-insurance allowances			149				748
Share-based compensation			61				(54	)
Goodwill			-				9
Marketable equity securities			750				1,244
Net operating loss carryover			7,975				7,545
Non-competition agreement			-				7
Other			203				17
Total deferred tax assets			10,880				12,746
Net deferred tax liability		$	54,691			$	80,293

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		201 7								201 6								201 5
		(in thousands)
		Amount				Percent				Amount				Percent				Amount				Percent
Income tax at the statutory federal rate		$	4,975				34.0			$	6,042				34.0			$	11,876				34.0
Impact of the Tax Cut s and Jobs Act			(29,255	)			(199.9	)			-				-				-				-
Nondeductible expenses			72				0.5				130				0.7				149				0.4
State income taxes/other —net of federal benefit			(60	)			(0.5	)			499				2.8				1,467				4.2
Total income tax (benefit) expense		$	(24,268	)			(165.9	)		$	6,671				37.5			$	13,492				38.6

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		201 7				201 6				201 5
		(in thousands)
Current:
Federal		$	(79	)		$	(225	)		$	98
State			441				238				493
Total current income tax provision			362				13				591
Deferred:
Federal			(24,622	)			5,506				10,782
State			(8	)			1,152				2,119
Total deferred income tax (benefit) provision			(24,630	)			6,658				12,901
Total income tax (benefit) expense		$	(24,268	)		$	6,671			$	13,492

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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-Paragraph 12
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