INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2017

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

Deferred tax assets (liabilities) included in the balance sheet as of December 31, 2017 and 2016 are as follows (in thousands):



	2017			2016
Deferred tax assets:
Net operating loss carryforward	$	168		$	155
Allowance for doubtful accounts	272			519
Provision for accrued expenses and other, net	1,300			2,947
Stock based compensation	3,770			5,410
Deferred revenue	920			283
Tax credit carryforward	—			3,257
	6,430			12,571
Less valuation allowance	224			1,033
Deferred tax asset, net of valuation allowance	6,206			11,538
Deferred tax liabilities:
Acquired intangibles	(10,933		)	(14,602		)
Depreciation of fixed assets	(3,049		)	(4,531		)
Deferred tax liabilities	(13,982		)	(19,133		)
Net deferred tax liability	$	(7,776	)	$	(7,595	)
Recognized in Consolidated Balance Sheets:
Deferred tax asset	469			306
Deferred tax liability	(8,245		)	(7,901		)
Net deferred tax liability	$	(7,776	)	$	(7,595	)

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

Tax expense (benefit) for the years ended December 31, 2017, 2016 and 2015 is as follows (in thousands):



	2017			2016			2015
Current income tax expense (benefit):
Federal	$	1,984		$	5,048		$	10,201
State	(285		)	931			1,491
Foreign	1,504			2,259			3,500
Current income tax expense	3,203			8,238			15,192
Deferred income tax expense (benefit):
Federal	(207		)	(891		)	998
State	329			192			405
Foreign	94			(2,260		)	(2,586		)
Deferred income tax expense (benefit)	216			(2,959		)	(1,183		)
Income tax expense	$	3,419		$	5,279		$	14,009

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

A reconciliation between the tax expense at the federal statutory rate and the reported income tax expense is summarized as follows:



	Year Ended December 31,
	2017			2016			2015
Federal statutory rate	$	6,789		$	(42	)	$	1,064
Gain on sale of subsidiary	(1,571		)	—			—
Stock-based compensation	1,414			—			—
Nondeductible impairment	—			5,287			9,199
State taxes, net of federal effect	35			756			1,435
Difference between foreign and U.S. rates	(1,054		)	297			2,366
Change in unrecognized tax benefits	1,003			(923		)	46
Gross tax on foreign dividend	275			5,084			—
Tax credits related to foreign dividend	(275		)	(4,244		)	—
US transition tax on foreign earnings	2,962			—			—
Federal rate change impact on deferred tax liabilities	(3,281		)	—			—
Research and development tax credits	(1,764		)	(173		)	(165		)
Change in valuation allowances	(780		)	(713		)	—
Other	(334		)	(50		)	64
Income tax expense	$	3,419		$	5,279		$	14,009
Effective tax rate	17.6		%	(4,436.1		)%	460.7		%

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

Following is a reconciliation of the amounts of unrecognized tax benefits, net of tax and excluding interest and penalties, for the years ended December 31, 2017, 2016 and 2015 (in thousands):



	2017			2016			2015
Unrecognized tax benefits—beginning of period	$	2,153		$	2,989		$	3,122
Increases in tax positions related to current year	278			117			169
Increases in tax positions related to prior year	646			—			76
Decreases in tax positions related to prior year	—			(43		)	—
Lapse of statute of limitations	(538		)	(910		)	(378		)
Unrecognized tax benefits—end of period	$	2,539		$	2,153		$	2,989