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Note 18 - Quarterly Financial Data (Unaudited)
 12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Quarterly Financial Information [Text Block]
18.
 
Quarterly Financial Data (Unaudited)
 
The table below summarizes the Company’s unaudited quarterly operating results for the last
two
fiscal years (
in thousands, except per share amounts
):
 
2018
 
First

Quarter
 
Second

Quarter
 
Third

Quarter
 
Fourth

Quarter
 
Year Ended
Revenue
 
$
141,425
 
 
$
146,791
 
 
$
154,246
 
 
$
155,828
 
 
$
598,290
 
Operating income
 
$
11,922
 
 
$
(763
)
 
$
24,231
 
 
$
27,848
 
 
$
63,238
 
Net income
 
$
6,391
 
 
$
(3,367
)
 
$
18,574
 
 
$
33,391
 
 
$
54,989
 
Net income per common share - basic
 
$
0.08
 
 
$
(0.04
)
 
$
0.22
 
 
$
0.40
 
 
$
0.66
 
Net income per common share - diluted
 
$
0.07
 
 
$
(0.04
)
 
$
0.22
 
 
$
0.38
 
 
$
0.64
 
 
2017
 
First

Quarter
 
Second

Quarter
 
Third

Quarter
 
Fourth

Quarter
 
Year Ended
Revenue
 
$
113,733
 
 
$
133,313
 
 
$
125,673
 
 
$
148,493
 
 
$
521,212
 
Operating income
 
$
3,943
 
 
$
14,361
 
 
$
12,861
 
 
$
19,266
 
 
$
50,431
 
Net income
 
$
1,442
 
 
$
6,517
 
 
$
6,372
 
 
$
25,723
 
 
$
40,054
 
Net income per common share - basic
 
$
0.02
 
 
$
0.08
 
 
$
0.08
 
 
$
0.30
 
 
$
0.48
 
Net income per common share - diluted
 
$
0.02
 
 
$
0.08
 
 
$
0.07
 
 
$
0.30
 
 
$
0.47
 
 
(
1
) Second quarter
2018
results include the Company's entry into the Settlement Agreement for the payment of
$20.0
million, as described in Note
15.
 
(
2
) Fourth quarter
2017
results include a non-cash tax benefit of
$15.1
million due to the revaluation of the Company’s deferred tax balances pursuant to the tax rate reduction included in the
2017
Tax Act.