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Acquisition (Tables)
 6 Months Ended
Jun. 30, 2013
Business Combinations [Abstract]  
Business Acquisition, Pro Forma Information [Table Text Block]
 
 
Proforma
 
 
Three Months Ended
 
Six Months Ended
 
 
July 1, 2012
 
July 1, 2012
Restaurant sales
 
$
174,090

 
$
332,978

Net loss from continuing operations
 
$
(2,302
)
 
$
(9,760
)
Net loss per share from continuing operations, basic and diluted
 
$
(0.10
)
 
$
(0.44
)