v3.25.1
Segment Information - Schedule of Segment Information (Details) - USD ($)
 3 Months Ended
Mar. 29, 2025
Mar. 30, 2024
Segment Reporting Information [Line Items]    
Net revenues $ 68,731,000 $ 75,603,000
Less:    
Cost of goods sold 69,796,000 71,935,000
Research and development expenses 7,462,000 9,860,000
Interest expense 1,024,000 1,015,000
Equity in losses (income) of unconsolidated joint venture 11,000 (7,000)
Net loss (52,916,000) (54,361,000)
Realized and unrealized foreign currency gains (losses) 3,500,000 (2,300,000)
Reporting Segment    
Segment Reporting Information [Line Items]    
Net revenues 68,731,000 75,603,000
Less:    
Cost of goods sold 69,796,000 71,935,000
Research and development expenses 7,462,000 9,860,000
Selling expenses 6,971,000 8,248,000
Marketing expenses 12,088,000 8,226,000
General and administrative expenses 28,612,000 30,808,000
Interest expense 1,024,000 1,015,000
Equity in losses (income) of unconsolidated joint venture 11,000 (7,000)
Other segment items (4,317,000) (121,000)
Net loss (52,916,000) (54,361,000)
Interest income (900,000) (2,000,000.0)
Realized and unrealized foreign currency gains (losses) $ 3,500,000 $ (2,300,000)