XML 52 R41.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 7 - Revolving Line of Credit (Details Textual) - Revolving Credit Facility [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2023
Dec. 30, 2023
Dec. 31, 2022
May 01, 2023
May 31, 2020
Massachusetts Business Development Corporation [Member]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 3,000
Long-term Line of Credit, Total $ 0 $ 0      
Line of Credit Facility, Remaining Borrowing Capacity $ 3,000 3,000      
Interest Expense   $ 0 $ 0    
Rockland Trust Company [Member]          
Line of Credit Facility, Maximum Borrowing Capacity       $ 3,000  
Line of Credit Facility, Interest Rate During Period 8.50%