Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

The components of income before income taxes and income tax expense for the years ended December 31, 2013, 2012 and 2011 are as follows (in thousands):

	Years ended December 31,
	2013		2012		2011
Income before income taxes:
Domestic	$	31,738	$	27,827	$	21,976
Foreign		6,750		7,975		6,415
Total income before income taxes	$	38,488	$	35,802	$	28,391

Income tax expense:
Current:
Federal	$	10,348	$	7,846	$	6,869
State and local		2,130		1,653		1,750
Foreign		2,539		2,899		1,765
Total current		15,017		12,398		10,384
Deferred:
Federal		226		856		310
State and local		159		236		48
Foreign		(670)		(376)		(211)
Total deferred		(285)		716		147
Total income tax expense	$	14,732	$	13,114	$	10,531

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

The difference between the expense for income tax expense computed at the statutory rate and the reported amount of income tax expense is as follows:

	December 31,
	2013		2012		2011
Federal income tax rate	35.0	%	35.0	%	35.0	%
State and local taxes net of federal benefit	3.9		3.4		4.1
Foreign taxes	(1.4)		(0.1)		(1.2)
Permanent differences	1.5		1.9		2.1
Valuation allowance adjustments	—		—		0.1
Reduction of uncertain tax position liabilities	—		(4.5)		(3.1)
Other	(0.7)		0.9		0.1

Effective tax rate	38.3	%	36.6	%	37.1	%

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

A reconciliation of the beginning and ending amount of unrecognized tax benefits, excluding interest, is as follows (in thousands):

	Years ended December 31,
	2012		2011
Unrecognized tax benefits at beginning of the year	$	1,418	$	2,218
Additions related to current year tax positions		—		—
Additions related to prior year tax positions		—		—
Settlements		—		—
Reductions due to lapse of statute of limitations		(1,418)		(800)
Unrecognized tax benefits at end of the year	$	—	$	1,418

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

The tax effects of temporary differences between the financial reporting and tax basis of assets and liabilities that are included in the net deferred tax assets and liabilities are summarized as follows (in thousands):

	December 31,
	2013		2012
Deferred tax assets:
Allowance for doubtful accounts	$	508	$	492
Accrued liabilities		1,787		1,131
Stock-based compensation expense		629		499
Net federal, state and foreign operating loss carryforwards		922		288
Deferred tax assets		3,846		2,410
Deferred tax liabilities:
Intangible assets, property and equipment, principally due to difference in depreciation and amortization		7,677		6,990
Net deferred tax liabilities		(3,831)		(4,580)
Less valuation allowance		(584)		(263)
Net deferred tax liabilities, net of valuation allowance	$	(4,415)	$	(4,843)