Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Income Taxes [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 September 30,
	2012					2011
Provision for income taxes at statutory rate	$	4,157		35.0	%	$	3,119		35.0	%
State and local income taxes, net of federal tax benefit		181		1.5	%		110		1.2	%
Stock compensation		79		0.7	%		51		0.6	%
Research credits		—		—			(88	)	(1.0	)%
Effect of rate changes on deferred taxes		33		0.3	%		—		—
Reversal of reserve for income taxes		(383	)	(3.2	)%		(35	)	(0.4	)%
Disqualifying dispositions on incentive stock options		(42	)	(0.4	)%		(40	)	(0.5	)%
Other, net		(139	)	(1.2	)%		(197	)	(2.1	)%
Reported income tax provision	$	3,886		32.7	%	$	2,920		32.8	%

	Nine Months Ended September 30,
	2012					2011
Provision for income taxes at statutory rate	$	11,456		35.0	%	$	9,045		35.0	%
State and local income taxes, net of federal tax benefit		468		1.4	%		318		1.2	%
Stock compensation		213		0.7	%		179		0.7	%
Research credits		—		—			(231	)	(0.9	)%
Effect of rate changes on deferred taxes		161		0.5	%		9		—
Reversal of reserve for income taxes		(383	)	(1.2	)%		(35	)	(0.1	)%
Disqualifying dispositions on incentive stock options		(121	)	(0.4	)%		(135	)	(0.5	)%
Other, net		(188	)	(0.5	)%		(337	)	(1.3	)%
Reported income tax provision	$	11,606		35.5	%	$	8,813		34.1	%