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Note 14 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

		Year Ended December 31,
		2015				2014				2013
		(in thousands)
Current:
Federal		$	(5,076	)		$	4,336			$	9,097
State			26				334				690
Total current tax expense (benefit)			(5,050	)			4,670				9,787
Deferred:
Federal			(8,855	)			305				2,631
State			1,954				(324	)			(60	)
Total deferred tax expense (benefit)			(6,901	)			(19	)			2,571
		$	(11,951	)		$	4,651			$	12,358

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

		Year Ended December 31,
		2015				2014				2013
		(in thousands)
Provision (benefit) at statutory rate of 35%		$	(14,470	)		$	(532	)		$	11,921
State provision (benefit), net of federal tax effect			(866	)			(96	)			370
Federal and state tax credits			(6,684	)			(91	)			(525	)
Disallowed domestic manufacturing deduction			630				-				(641	)
Change in valuation allowance			5,210				9				954
Uncertain tax positions			2,082				5				(7	)
Goodwill impairment (nondeductible)			1,849				5,623				-
Nondeductible expenses			91				207				345
Nontaxable adjustment to contingent consideration			103				(611	)			-
Other			104				137				(59	)
		$	(11,951	)		$	4,651			$	12,358
Effective tax rate			(28.9)	%			305.6	%			36.3	%

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

		December 31,
		2015				2014
		(in thousands)
Deferred tax assets:
Costs and estimated earnings in excess of billings on uncompleted contracts, net		$	2,888			$	2,186
Accrued employee benefits			5,946				5,324
Inventories			2,618				1,937
Trade receivable, net			266				372
Net operating loss carryforwards			7,843				582
Tax credit carryforwards			4,791				996
Other assets			2,737				6,067
Other			520				1,441
			27,609				18,905
Valuation allowance			(7,057	)			(1,858	)
			20,552				17,047
Deferred tax liabilities:
Property and equipment			(24,229	)			(23,903	)
Intangible assets			(980	)			(1,150	)
Prepaid expenses			(467	)			(522	)
			(25,676	)			(25,575	)
Net deferred tax liabilities		$	(5,124	)		$	(8,528	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

		2015				2014				2013
Unrecognized tax benefits, beginning of year		$	2,313			$	6,207			$	5,245
Decreases for settlements			-				(3,265	)			-
Decreases for lapse in statute of limitations			(1,199	)			(115	)			-
Decreases for positions taken in current year			-				(615	)			-
Increases for positions taken in prior years			3,716				101				646
Decreases for positions taken in prior years			-				-				(696	)
Increases for positions taken in the current year			44				-				1,012
Unrecognized tax benefits, end of year		$	4,874			$	2,313			$	6,207

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- 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.

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