XML 42 R29.htm IDEA: XBRL DOCUMENT v3.6.0.2
Note 4 - Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   
December 31,
2016
    
January 2,
2016
  
Billed
   $
34,463
     $
40,117
  
Accrued and unbilled
    
6,894
      
4,939
  
Work-in-progress
    
5,215
      
7,322
  
Allowance for sales discounts and doubtful accounts
    
(1,402
)
    
(1,432
)
                 
Accounts receivable, net
   $
45,170
     $
50,946