Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

For the years ended December 31, 2013, 2012 and 2011, income before income taxes is broken out between U.S. and foreign-sourced operations and consisted of the following (in thousands):

	2013		2012		2011
Domestic	$	5,435	$	15,958	$	21,123
Foreign	14,404		11,660		11,752
Total	$	19,839	$	27,618	$	32,875

Schedule of Components of Income Tax Expense (Benefit)

The components of the provision for income taxes for the years ended December 31, 2013, 2012 and 2011, consisted of the following (in thousands):

	2013			2012			2011
Current expense (benefit):
Federal	$	(747	)	$	5,350		$	5,662
State	333			1,014			1,001
Foreign	2,324			995			1,491
Total current expense	1,910			7,359			8,154
Deferred expense (benefit):
Federal	1,089			871			1,121
State	278			(343		)	74
Foreign	(8		)	21			482
Total deferred expense	1,359			549			1,677
Total	$	3,269		$	7,908		$	9,831

Schedule of Effective Income Tax Rate Reconciliation

The difference between the income tax expense reported and amounts computed by applying the statutory federal rate of 35.0% to pretax income for the years ended December 31, 2013, 2012 and 2011, consisted of the following (in thousands):

	2013			2012			2011
Computed federal income tax expense at statutory rate of 35%	$	6,943		$	9,667		$	11,506
State income taxes	397			436			699
Tax credits	(1,385		)	(779		)	(778		)
Production activity deduction	—			(388		)	(425		)
Foreign tax rate differential	(2,374		)	(1,419		)	(1,297		)
Uncertain tax positions	(520		)	(42		)	281
Deferred compensation insurance assets	(358		)	(155		)	88
Other — including the effect of graduated rates	566			588			(243		)
Total income tax expense	$	3,269		$	7,908		$	9,831

Schedule of Deferred Tax Assets and Liabilities

Deferred income tax assets and liabilities at December 31, 2013 and 2012, consisted of the following temporary differences and carry-forward items (in thousands):

	2013			2012
Deferred income tax assets:
Allowance for uncollectible accounts receivable	$	342		$	348
Accrued compensation expense	5,001			3,954
Inventory differences	2,317			1,949
Net operating loss carry-forwards	18,060			19,622
Deferred revenue	280			237
Stock-based compensation expense	2,704			2,465
Uncertain tax positions	559			709
Federal research and development credit carry-forward	569			—
Other	3,197			3,762
Total deferred income tax assets	33,029			33,046
Deferred income tax liabilities:
Prepaid expenses	(751		)	(757		)
Property and equipment	(21,893		)	(19,001		)
Intangible assets	(3,837		)	(4,107		)
Other	(1,295		)	(1,116		)
Total deferred income tax liabilities	(27,776		)	(24,981		)
Valuation allowance	(1,363		)	(1,225		)
Net deferred income tax assets	$	3,890		$	6,840
Reported as:
Deferred income tax assets - Current	$	5,638		$	4,976
Deferred income tax assets - Long-term	800			4,237
Deferred income tax liabilities - Current	—			—
Deferred income tax liabilities - Long-term	(2,548		)	(2,373		)
Net deferred income tax assets	$	3,890		$	6,840

Summary of Income Tax Contingencies

A reconciliation of the beginning and ending amount of liabilities associated with uncertain tax benefits for the years ended December 31, 2013, 2012 and 2011, consisted of the following (in thousands):

Tabular Roll-forward	2013			2012			2011
Unrecognized tax benefits, opening balance	$	2,776		$	3,113		$	2,952
Gross increases in tax positions taken in a prior year	107			83			347
Gross increases in tax positions taken in the current year	236			260			865
Settlements with taxing authorities	—			—			(507		)
Lapse of applicable statute of limitations	(990		)	(680		)	(544		)
Unrecognized tax benefits, ending balance	$	2,129		$	2,776		$	3,113