Income Taxes (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2018					2017
Benefit from income taxes at statutory rate	$	(770	)	21.0	%	$	(411	)	35.0	%
State and local income taxes, net of federal tax benefit		(78	)	2.1	%		(20	)	1.7	%
Stock based compensation		(22	)	0.6	%		(20	)	1.7	%
Foreign rate differential		(1,237	)	33.8	%		45		(3.8	)%
Research credits		18		(0.5	)%		59		(5.0	)%
Permanent non-deductible acquisition-related expense		(301	)	8.2	%		(245	)	20.9	%
Net (windfall) shortfall on stock based compensation		(117	)	3.2	%		471		(40.1	)%
Other, net		42		(1.1	)%		20		(1.8	)%
Reported income tax benefit	$	(2,465	)	67.3	%	$	(101	)	8.6	%

As of