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Note 7 - Debt Obligations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2024
Apr. 02, 2023
Dec. 31, 2023
Oct. 01, 2023
Property, Plant and Equipment, Net $ 12,420   $ 8,948  
Notes Payable 1,400 $ 1,300    
Repayments of Debt 200 $ 200    
Long-Term Debt, Maturity, Year One 900      
Long-Term Debt, Maturity, Year Two 700      
Long-Term Debt, Maturity, Expected Interest Payments 100      
Long-Term Debt $ 1,400      
Minimum [Member]        
Debt Instrument, Term (Year) 5 months 1 day 1 year 5 months 1 day    
Debt Instrument, Interest Rate, Stated Percentage 3.75% 3.75%    
Maximum [Member]        
Debt Instrument, Term (Year) 1 year 11 months 26 days 2 years 11 months 12 days    
Debt Instrument, Interest Rate, Stated Percentage 9.89% 9.89%    
Weighted Average [Member]        
Debt Instrument, Term (Year) 1 year 7 months 6 days 2 years 1 month 28 days    
Debt Instrument, Interest Rate, Stated Percentage 8.20% 6.91%    
Fixed Assets, Net Purchased Through Financing Arrangements [Member]        
Property, Plant and Equipment, Net $ 1,400 $ 1,200    
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 9.00%   9.00% 9.00%
Interest Expense, Debt $ 41 $ 33