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Quarterly Financial Data (unaudited) (Tables)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
The following tables set forth certain unaudited consolidated financial information for each of the four quarters in 2016 and 2015 (in thousands, except per share data):
 
Quarter Ended
 
December 31, 2016 (1)
 
September 24, 2016
 
June 25, 2016
 
March 26, 2016
 
December 26, 2015
 
September 26, 2015
 
June 27, 2015
 
March 28, 2015
Total revenue
$
24,752

 
$
21,810

 
$
22,723

 
$
22,074

 
$
20,577

 
$
19,134

 
$
19,232

 
$
19,026

Operating income
8,255

 
6,080

 
7,240

 
7,628

 
6,508

 
5,853

 
2,406

 
4,951

Net income
4,312

 
2,753

 
4,079

 
4,290

 
3,795

 
3,173

 
584

 
2,554

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Earnings per share
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic
$
0.15

 
$
0.10

 
$
0.14

 
$
0.15

 
$
0.13

 
$
0.11

 
$
0.02

 
$
0.10

Diluted
$
0.15

 
$
0.09

 
$
0.14

 
$
0.15

 
$
0.13

 
$
0.11

 
$
0.02

 
$
0.10

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average shares outstanding
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic
28,745

 
28,725

 
28,646

 
28,586

 
28,581

 
28,581

 
26,689

 
26,290

Diluted
29,114

 
29,014

 
28,989

 
28,967

 
28,951

 
28,891

 
26,970

 
26,607

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

(1) Fiscal 2016 consisted of 53 calendar weeks, with the fourth quarter containing 14 calendar weeks.