Note J - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

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

	2014		2013			2012
Current:
Federal	$	13,383	$	15,154		$	7,730
State		3,151		3,247			1,328
Foreign		3,563		1,651			1,184
		20,097		20,052			10,242
Deferred:
Federal		3,264		2,523			10,977
State		399		323			2,550
Foreign		360		(2	)		67
		4,023		2,844			13,594
Income Tax Expense	$	24,120	$	22,896		$	23,836

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

	2014			2013
Deferred Tax Assets
Current:
Stock option compensation	$	319		$	503
Allowance for bad debt		789			687
Accrued PTO		1,975			2,647
Accrued bonus		608			524
Foreign tax credits		322			642
Accrued liabilities		1,890			1,474
Total current deferred tax asset		5,903			6,477
Non-current:
Foreign net operating loss (NOL) carry forward		542			513
Federal/state net operating loss (NOL) carry forward		3,447			271
Stock option compensation		3,757			2,237
Deferred rent		5,086			4,096
Deferred compensation		2,823			2,273
Foreign tax credits		2,060			947
State tax credits		1,016			712
Federal tax credits		225			—
Foreign exchange		447			—
Accrued liabilities and other		1,375			2,592
Total non-current deferred tax assets		20,778			13,641
Less: Valuation Allowance		(542	)		(513	)
Total Deferred Tax Assets	$	26,139		$	19,605
Deferred Tax Liabilities
Current:
Retention	$	(1,899	)	$	(1,319	)
Prepaids		(1,549	)		(946	)
Payroll taxes		(1,064	)		(819	)
Unbilled revenue		(8,483	)		(9,449	)
Other		(219	)		(88	)
Total current deferred liability		(13,214	)		(12,621	)
Non-current:
Depreciation		(8,766	)		(4,751	)
Amortization		(39,318	)		(19,022	)
Other		(39	)		(135	)
Total non-current deferred tax liabilities		(48,123	)		(23,908	)
Total Deferred Tax Liabilities		(61,337	)		(36,529	)
Total Net Deferred Tax Liability	$	(35,198	)	$	(16,924	)

Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward [Table Text Block]

Unrecognized tax benefits at January 1, 2012	$	1,061
Increase attributable to tax positions taken during the current period		78
Decrease attributable to lapse of statute of limitations		(48	)
Unrecognized tax benefits at December 31, 2012		1,091
Decrease attributable to settlements		(8	)
Increase attributable to tax positions taken during a prior period		43
Decrease attributable to lapse of statute of limitations		(424	)
Unrecognized tax benefits at December 31, 2013		702
Increase (decrease) in unrecognized tax benefits		—
Unrecognized tax benefits at December 31, 2014	$	702

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

	2014			2013			2012
Taxes at statutory rate		35.0	%		35.0	%		35.0	%
State taxes, net of federal benefit		4.2	%		4.2	%		4.6	%
Foreign tax rate differential and U.S. unrepatriated earnings		(0.6	)%		(0.3	)%		(0.3	)%
Other permanent differences		2.0	%		0.7	%		0.8	%
Prior year tax adjustments and changes in unrecognized tax benefits		(2.3	)%		(2.1	)%		(0.9	)%
Tax credits		(0.7	)%		(0.7	)%		(0.7	)%
		37.6	%		36.8	%		38.5	%