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SHAREHOLDER'S EQUITY (Schedule of Warrants) (Details) - USD ($)
9 Months Ended
Dec. 28, 2016
Dec. 30, 2015
Sep. 30, 2017
Sep. 30, 2016
Class of Warrant or Right [Line Items]        
Proceeds from long term loan     $ 0 $ 12,000,000
Term Loan        
Class of Warrant or Right [Line Items]        
Proceeds from long term loan   $ 20,000,000.0    
Term Loan | 10.75% Term Loan Due January 2019        
Class of Warrant or Right [Line Items]        
Proceeds from long term loan $ 8,000,000      
Warrants issued July 14, 2014        
Class of Warrant or Right [Line Items]        
Warrants outstanding (in shares)     403,804  
Exercise price per warrant (in USD per share)     $ 10.08  
Warrants exercisable (in shares)     403,804  
Warrants issued December 30, 2015        
Class of Warrant or Right [Line Items]        
Warrants outstanding (in shares)     119,295  
Exercise price per warrant (in USD per share)     $ 9.64  
Warrants exercisable (in shares)     119,295  
Minimum percentage of acquired company required to prevent warrants from becoming exercisable     50.00%  
Warrants issued November 1, 2016        
Class of Warrant or Right [Line Items]        
Warrants outstanding (in shares)     2,437,500  
Exercise price per warrant (in USD per share)     $ 4.75  
Warrants exercisable (in shares)     2,437,500  
Warrants issued December 28, 2016        
Class of Warrant or Right [Line Items]        
Warrants outstanding (in shares)     47,717  
Exercise price per warrant (in USD per share)     $ 9.64  
Warrants exercisable (in shares)     47,717  
Number of warrants issued (in shares) 47,717      
Ordinary Share        
Class of Warrant or Right [Line Items]        
Warrants outstanding (in shares)     3,008,316  
Warrants exercisable (in shares)     3,008,316