Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	December 31,
	2018			2017			2016
Current tax expense:
Federal	$	2,965		$	17,008		$	16,274
State		(1,433	)		3,201			2,929
Total current tax expense:		1,532			20,209			19,203
Deferred tax expense (benefit):
Federal		(2,650	)		(19,425	)		(7,115	)
State		(854	)		(983	)		(253	)
Total deferred tax benefit:		(3,504	)		(20,408	)		(7,368	)
Total income tax expense (benefit)	$	(1,972	)	$	(199	)	$	11,835

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

	December 31,
	2018			%			2017			%			2016			%
Computed at federal statutory rate	$	11,134			21.0		$	13,949			35.0		$	17,315			35.0
State and local tax expense, net of federal benefit		2,367			4.5			2,226			5.6			2,448			5.0
Net permanent deduction and credit tax benefits from current year		(1,143	)		(2.2	)		(1,513	)		(3.8	)		(1,509	)		(3.1	)
Net permanent deduction and credit tax benefits from prior years		-			-			-			-			(6,213	)		(12.6	)
Net uncertain tax positions excluding current permanent deduction and credit benefits		(3,756	)		(7.0	)		(373	)		(0.9	)		-			-
Subsidiary basis write off		(3,423	)		(6.5	)		-			-			-			-
Equity compensation net tax windfall		(2,890	)		(5.5	)		-			-			-			-
State tax apportionment changes		(3,737	)		(7.0	)		-			-			-			-
Disallowed executive compensation		682			1.3			-			-			-			-
Tax Reform - revaluation of deferrals		-			-			(15,130	)		(38.0	)		-			-
Acquisition adjustments		(1,226	)		(2.3	)		(1,003	)		(2.5	)		-			-
Acquisition costs		-			-			697			1.7			203			0.4
Other, net		20			-			948			2.4			(409	)		(0.8	)
Total income tax expense	$	(1,972	)		(3.7	)	$	(199	)		(0.5	)	$	11,835			23.9

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

	December 31,
	2018		2017
Deferred tax assets:
Stock-based compensation	$	9,545	$	9,980
Goodwill and intangible assets		5,874		6,524
Allowance for doubtful accounts		3,537		3,822
Deferred rent		696		909
Tenant improvements		569		669
Estimated liability for appeals		5,632		7,775
Net operating loss carry-forwards		1,527		3,358
Tax credit carry-forwards		4,076		3,667
Property and equipment		49		256
Accrued expenses and other		7,839		3,615
Total deferred tax assets		39,344		40,575
Deferred tax liabilities:
Goodwill and intangible assets		43,400		48,186
Section 481(a) adjustment		5,073		7,413
Prepaid expenses		668		624
Capitalized software cost		8,688		6,341
Total deferred tax liabilities		57,829		62,564
Total net deferred tax liabilities	$	18,485	$	21,989

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

	2018			2017
Unrecognized tax benefits at January 1	$	8,234		$	7,433
Additions for tax positions taken during prior periods		399			599
Additions for tax positions taken during current period including amended prior years		360			1,174
Reductions relating to settlements with taxing authorities		(2,227	)		-
Reductions related to the expiration of statutes of limitations		(1,927	)		(972	)
Unrecognized tax benefits at December 31	$	4,839		$	8,234