Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Narrative) (Details)

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Fair Value Measurements (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jun. 27, 2024
Dec. 30, 2022
Feb. 28, 2023
Jun. 30, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Sale of stock, net proceeds   $ 150,000      
Stock offering, number of shares issued   4,900,000      
Common stock warrant liabilities       $ 172 $ 886
Sale of National Holding's stock, proceeds received   $ 150,000      
Urica | 8% Cumulative Convertible Class B Preferred Offering          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Stock offering, price per share     $ 25.00    
Stock offering, number of shares issued     135,494    
Preferred Stock, dividend rate percentage 8.00%   8.00%    
Stock offering, aggregate fees paid     $ 500    
Urica | Common Stock Warrant          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Warrant expiration term 5 years        
Exchanged for warrants 202,834        
Exercise price of warrants $ 1.68        
Placement Agent Warrants | Checkpoint Common Stock Warrants | December 2022 Offering          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Common stock warrant liabilities       $ 100 $ 100