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Earnings (Loss) Per Share (Tables)
 9 Months Ended
Sep. 30, 2017
Earnings Per Share, Basic and Diluted [Abstract]  
Schedule of Earnings Per Share Reconciliation [Table Text Block]
The following table sets forth the computation of basic and diluted earnings (loss) per share from continuing operations:
 
Three Months Ended
 
Nine Months Ended
 
September 30,
2017
 
September 24,
2016
 
September 30,
2017
 
September 24,
2016
Basic earnings (loss) per share:
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
(547
)
 
$
573

 
$
104

 
$
(2,569
)
Less: Allocation of earnings to participating securities
—

 
(17
)
 
(32
)
 
—

Income (loss) from continuing operations available to common shareholders - basic
$
(547
)
 
$
556

 
$
72

 
$
(2,569
)
Basic weighted-average shares outstanding (1)
15,707

 
15,648

 
15,696

 
15,631

Basic earnings (loss) per share - continuing operations
$
(0.03
)
 
$
0.04

 
$
0.00

 
$
(0.16
)
 
 
 
 
 
 
 
 
Diluted earnings (loss) per share:
 
 
 
 
 
 
 
Income (loss) from continuing operations available to common shareholders - basic
$
(547
)
 
$
556

 
$
72

 
$
(2,569
)
Add: Undistributed earnings reallocated to unvested shareholders
—

 
—

 
—

 
—

Income (loss) from continuing operations available to common shareholders - basic
$
(547
)
 
$
556

 
$
72

 
$
(2,569
)
Basic weighted-average shares outstanding (1)
15,707

 
15,648

 
15,696

 
15,631

Effect of dilutive securities:
 
 
 
 
 
 
 
Stock options (2)
—

 
—

 
—

 
—

Directors' stock performance units (2)
—

 
96

 
118

 
—

Diluted weighted-average shares outstanding (1)(2)
15,707

 
15,744

 
15,814

 
15,631

Diluted earnings (loss) per share - continuing operations
$
(0.03
)
 
$
0.04

 
$
0.00

 
$
(0.16
)


(1)
Includes Common and Class B Common shares, excluding unvested participating securities, in thousands.
(2)
Shares issuable under stock option plans where the exercise price is greater than the average market price of the Company's Common Stock during the relevant period and directors' stock performance units have been excluded to the extent they are anti-dilutive. Aggregate shares excluded for the three and nine months ended September 30, 2017 were 448 and 307, respectively, and for the three and nine months ended September 24, 2016 were 104 and 220, respectively.