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Earnings (Loss) Per Share (Tables)
 3 Months Ended
Mar. 31, 2018
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
 
March 31,
2018
 
April 1,
2017
Basic earnings (loss) per share:
 
 
 
Loss from continuing operations
$
(2,884
)
 
$
(575
)
Less: Allocation of earnings to participating securities
—

 
—

Loss from continuing operations available to common shareholders - basic
$
(2,884
)
 
$
(575
)
Basic weighted-average shares outstanding (1)
15,715

 
15,673

Basic earnings (loss) per share - continuing operations
$
(0.18
)
 
$
(0.04
)
 
 
 
 
Diluted earnings (loss) per share:
 
 
 
Loss from continuing operations available to common shareholders - basic
$
(2,884
)
 
$
(575
)
Add: Undistributed earnings reallocated to unvested shareholders
—

 
—

Loss from continuing operations available to common shareholders - basic
$
(2,884
)
 
$
(575
)
Basic weighted-average shares outstanding (1)
15,715

 
15,673

Effect of dilutive securities:
 
 
 
Stock options (2)
—

 
—

Directors' stock performance units (2)
—

 
—

Diluted weighted-average shares outstanding (1)(2)
15,715

 
15,673

Diluted earnings (loss) per share - continuing operations
$
(0.18
)
 
$
(0.04
)


(1)
Includes Common and Class B Common shares, excluding 488 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 months ended March 31, 2018 and April 1, 2017 were 448 and 220, respectively, in thousands.