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Note 7 - Debt Obligations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 29, 2024
Oct. 01, 2023
Sep. 29, 2024
Oct. 01, 2023
Dec. 31, 2023
Property, Plant and Equipment, Net $ 14,137   $ 14,137   $ 8,948
Notes Payable 3,112 $ 1,000 3,112 $ 1,000  
Repayments of Debt $ 400 $ 200 $ 900 $ 500  
Minimum [Member]          
Debt Instrument, Term (Year)     3 months 7 days 11 months 1 day  
Debt Instrument, Interest Rate, Stated Percentage 6.75% 3.75% 6.75% 3.75%  
Maximum [Member]          
Debt Instrument, Term (Year)     2 years 6 months 25 days 2 years 5 months 15 days  
Debt Instrument, Interest Rate, Stated Percentage 9.89% 9.89% 9.89% 9.89%  
Weighted Average [Member]          
Debt Instrument, Term (Year)     1 year 10 months 28 days 1 year 8 months 12 days  
Debt Instrument, Interest Rate, Stated Percentage 8.89% 6.93% 8.89% 6.93%  
Fixed Assets, Net Purchased Through Financing Arrangements [Member]          
Property, Plant and Equipment, Net $ 3,200 $ 1,000 $ 3,200 $ 1,000  
Heritage Bank of Commerce [Member] | Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Month-end Outstanding Amount     $ 20,000   $ 20,000
Debt Instrument, Interest Rate, Effective Percentage 8.50% 9.00% 8.50% 9.00% 9.00%
Interest Expense, Debt $ 149 $ 30 $ 205 $ 92