Note 11 - Federal and State Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

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

	2014				2013
	(in thousands)
	Current		Long-Term		Current		Long-Term
Deferred tax liabilities:
Property and equipment	$	-	$	64,341	$	-	$	73,099
Unrealized gains on securities		3,918		-		3,769		-
Prepaid expenses and other		3,837		-		2,498		-
Total deferred tax liabilities		7,755		64,341		6,267		73,099
Deferred tax assets:
Allowance for doubtful accounts		612		-		561		-
Alternative minimum tax credit carryforward		-		1,206		-		318
QAFMV tax credit carryforward		-		864		-		864
New hire tax credit		-		124		-		124
Compensated absences		564		-		594		-
Self-insurance allowances		2,592		-		1,027		-
Share-based compensation		-		579		-		702
Goodwill		-		28		-		37
Marketable equity securities		686		-		767		-
Net operating loss carryover		-		4,392		-		21,255
Capital loss carryover		339		-		667		-
Non-competition agreement		-		23		-		30
Other		11		-		-		5
Total deferred tax assets		4,804		7,216		3,616		23,335
Net deferred tax liability	$	2,951	$	57,125	$	2,651	$	49,764

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

	2014				2013				2012
	(in thousands)
	Amount		Percent		Amount		Percent		Amount		Percent
Income tax at the statutory federal rate	$	7,552		34.0	$	3,288		34.0	$	1,222		34.0
Nondeductible expenses		154		0.7		127		1.3		138		3.8
State income taxes/other—net of federal benefit		1,015		4.6		341		3.6		56		1.6
Total income tax expense	$	8,721		39.3	$	3,756		38.9	$	1,416		39.4

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

	2014		2013		2012
	(in thousands)
Current:
Federal	$	814	$	124	$	-
State		395		35		51
		1,209		159		51
Deferred:
Federal		6,111		2,909		1,166
State		1,401		688		199
		7,512		3,597		1,365
Total income tax expense	$	8,721	$	3,756	$	1,416