Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

For the years ended December 31, 2012, 2011 and 2010, income before income taxes is broken out between U.S. and foreign-sourced operations and consisted of the following (in thousands):

	2012		2011		2010
Domestic	$	15,958	$	21,123	$	10,551
Foreign	11,660		11,752		6,237
Total	$	27,618	$	32,875	$	16,788

Schedule of Components of Income Tax Expense (Benefit)

The components of the provision for income taxes for the years ended December 31, 2012, 2011 and 2010, consisted of the following (in thousands):

	2012			2011		2010
Current expense:
Federal	$	5,350		$	5,662	$	3,547
State	1,014			1,001		595
Foreign	995			1,491		740
Total current expense	7,359			8,154		4,882
Deferred expense (benefit):
Federal	871			1,121		30
State	(343		)	74		(545		)
Foreign	21			482		(39		)
Total deferred expense (benefit)	549			1,677		(554		)
Total	$	7,908		$	9,831	$	4,328

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, 2012, 2011 and 2010, consisted of the following (in thousands):

	2012			2011			2010
Computed federal income tax expense at statutory rate of 35%	$	9,667		$	11,506		$	5,876
State income taxes	436			699			33
Tax credits	(779		)	(778		)	(530		)
Production activity deduction	(388		)	(425		)	(355		)
Foreign tax rate differential	(1,419		)	(1,297		)	(1,212		)
Uncertain tax positions	(42		)	281			(372		)
Deferred compensation insurance assets	(155		)	88			(133		)
Transaction-related expenses	—			—			323
Other — including the effect of graduated rates	588			(243		)	698
Total income tax expense	$	7,908		$	9,831		$	4,328

Schedule of Deferred Tax Assets and Liabilities

Deferred income tax assets and liabilities at December 31, 2012 and 2011, consisted of the following temporary differences and carry-forward items (in thousands):

	2012			2011
Deferred income tax assets:
Allowance for uncollectible accounts receivable	$	348		$	188
Accrued compensation expense	3,954			3,064
Inventory differences	1,949			364
Net operating loss carry-forwards	19,622			22,689
Deferred revenue	237			273
Stock-based compensation expense	2,465			2,166
Uncertain tax positions	709			1,052
Other	3,762			1,848
Total deferred income tax assets	33,046			31,644
Deferred income tax liabilities:
Prepaid expenses	(757		)	(823		)
Property and equipment	(19,001		)	(17,236		)
Intangible assets	(4,107		)	(6,169		)
Other	(1,116		)	(97		)
Total deferred income tax liabilities	(24,981		)	(24,325		)
Valuation allowance	(1,225		)	(361		)
Net deferred income tax assets	$	6,840		$	6,958
Reported as:
Deferred income tax assets - Current	$	4,976		$	3,704
Deferred income tax assets - Long-term	4,237			5,366
Deferred income tax liabilities - Current	—			—
Deferred income tax liabilities - Long-term	(2,373		)	(2,112		)
Net deferred income tax assets	$	6,840		$	6,958

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, 2012, 2011 and 2010, consisted of the following (in thousands):

Tabular Roll-forward	2012			2011			2010
Unrecognized tax benefits, opening balance	$	3,113		$	2,952		$	2,790
Gross increases in tax positions taken in a prior year	83			347			518
Gross decreases in tax positions taken in a prior year	—			—			(51		)
Gross increases in tax positions taken in the current year	260			865			520
Settlements with taxing authorities	—			(507		)	—
Lapse of applicable statute of limitations	(680		)	(544		)	(825		)
Unrecognized tax benefits, ending balance	$	2,776		$	3,113		$	2,952