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Selected Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Summarized Quarterly Data

Quarterly financial information for the years ended December 31, 2017 and 2016 is summarized below:



For the Year Ended December 31, 2017	First Quarter				Second Quarter				Third Quarter				Fourth Quarter
	(Dollars in thousands except per share amounts)
Revenues⁽²⁾	$	41,444			$	42,325			$	43,636			$	43,770
Operating income⁽²⁾	1,382				2,410				3,325				3,589
Net income (loss)⁽²⁾⁽³⁾	854				1,498				3,727				(21,384		)
Basic and diluted net income (loss) per common share⁽¹⁾	0.04				0.07				0.19				(1.07		)
For the Year Ended December 31, 2016	First Quarter				Second Quarter				Third Quarter				Fourth Quarter⁽⁴⁾
	(Dollars in thousands except per share amounts)
Revenues⁽²⁾	$	45,388			$	44,635			$	45,355			$	44,184
Operating income⁽²⁾	5,800				5,620				6,029				4,703
Net income⁽²⁾	3,444				3,451				4,058				3,026
Basic and diluted net income per common share⁽¹⁾	0.17				0.17				0.20				0.15


⁽¹⁾	Basic and diluted net income (loss) per common share is computed independently for each period presented. As a result, the sum of the quarterly basic and diluted net income (loss) per common share for the years ended December 31, 2017 and 2016 may not equal the total computed for the year.


⁽²⁾	Slight variations in totals are due to rounding.


⁽³⁾	Fourth quarter 2017 net loss includes $24.2 million from the write-off of the deferred income tax asset related to the 2017 Tax Act (refer to Note 8, "Income Taxes").