Quarterly report [Sections 13 or 15(d)]

Long-Term Debt, Net of Debt Discount and Financing Fees - Narrative (Details)

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Long-Term Debt, Net of Debt Discount and Financing Fees - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2023
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Jun. 30, 2021
Jun. 30, 2020
Debt Instrument [Line Items]                
Amortization of debt discount and deferred financing fees   $ 222 $ 222 $ 442 $ 444      
Restricted cash   6,000   6,000   $ 6,000    
Debt derivative liabilities                
Debt Instrument [Line Items]                
Debt derivative liabilities   2,078   2,078   2,400    
Credit Facility                
Debt Instrument [Line Items]                
Variable interest rate 0.10%              
Long-term debt   $ 50,000   $ 50,000   $ 47,496 $ 15,000 $ 35,000
Period for which quarterly interest payments should be made 7 years              
Interest rate 7.50%              
Additional interest floor rate 2.00%              
Interest rate at period end   11.90%   11.90%        
Term of debt (in years) 7 years              
Threshold revenue achievement for payment of additional quarterly royalty $ 70,000              
Additional payment 1.50%              
Interest expense   $ 232 309          
Interest costs incurred       $ 756 756      
Cash paid for interest   1,504 $ 1,631 2,993 $ 3,265      
Financing costs   $ 642   $ 642        
Credit Facility | Minimum                
Debt Instrument [Line Items]                
Interest rate 9.50%