XML 62 R51.htm IDEA: XBRL DOCUMENT v3.19.2
Note 9 - Line of Credit (Details Textual) - USD ($)
$ in Thousands
Aug. 09, 2018
Jun. 29, 2019
Dec. 29, 2018
Jun. 30, 2018
Long-term Line of Credit, Noncurrent   $ 30,943 $ 27,540  
Citizens Bank of Pennsylvania [Member] | Revolving Credit Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity $ 45,000      
Line of Credit, Loan Covenants, Waiver Granted, Amount of Certain Expenses Excluded $ 1,400      
Debt Instrument, Interest Rate, Effective Percentage   4.70%   3.60%
Long-term Line of Credit, Noncurrent   $ 30,900 27,500  
Letters of Credit Outstanding, Amount   1,600 $ 1,600  
Line of Credit Facility, Remaining Borrowing Capacity   $ 12,500