Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income Tax Reconciliation Computed at Federal Statutory Rates to Income Tax Expense

A reconciliation of income taxes computed at federal statutory rates to income tax expense is as follows (dollar amounts in thousands):

	Three Months Ended June 30,
	2018					2017
Provision (benefit) for income taxes at statutory rate	$	414		21.0	%	$	(534	)	35.0	%
State and local income taxes, net of federal tax benefit		26		1.3	%		(41	)	2.7	%
Stock based compensation		6		0.3	%		(56	)	3.7	%
Foreign rate differential		790		40.1	%		17		(1.0	)%
Research credits		(6	)	(0.3	)%		152		(10.0	)%
Permanent non-deductible acquisition-related expense		60		3.1	%		(657	)	43.1	%
Net (windfall) shortfall on stock based compensation		(39	)	(1.9	)%		71		(4.7	)%
Other, net		23		1.1	%		21		(1.4	)%
Reported income tax provision (benefit)	$	1,274		64.7	%	$	(1,027	)	67.4	%
	Six Months Ended June 30,
	2018					2017
(Benefit) for income taxes at statutory rate	$	(356	)	21.0	%	$	(945	)	35.0	%
State and local income taxes, net of federal tax benefit		(51	)	3.0	%		(61	)	2.3	%
Stock based compensation		(16	)	0.9	%		(76	)	2.8	%
Foreign rate differential		(448	)	26.4	%		62		(2.3	)%
Research credits		13		(0.7	)%		211		(7.8	)%
Permanent non-deductible acquisition-related expense		(241	)	14.2	%		(902	)	33.4	%
Net (windfall) shortfall on stock based compensation		(156	)	9.2	%		542		(20.1	)%
Other, net		64		(3.7	)%		41		(1.5	)%
Reported income tax (benefit)	$	(1,191	)	70.3	%	$	(1,128	)	41.8	%