Note J - Income Taxes (Details) - Deferred Tax Assets (Liabilities) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
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 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
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)
Foreign Tax Authority [Member]
Non-current:
Tax credits	2,060	947
Less: Valuation Allowance	(500)	(500)
State and Local Jurisdiction [Member]
Non-current:
Tax credits	1,016	712
United States Government [Member]
Non-current:
Tax credits	$ 225