v3.26.1
COMMON STOCK WARRANTS AND EARN-OUT LIABILITY (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 16, 2021
tranche
$ / shares
shares
Jun. 28, 2026
USD ($)
Jun. 29, 2025
USD ($)
Apr. 03, 2022
USD ($)
shares
Jun. 28, 2026
USD ($)
Jun. 29, 2025
USD ($)
Dec. 31, 2025
USD ($)
Common Stock Warrants And Earn-out Liability [Line Items]              
Class of warrant or right, outstanding (in shares) | shares 14,666,644            
Warrant liability | $   $ 444     $ 444   $ 2,024
Change in fair value of warrant liability | $   (548) $ (7)   (1,579) $ (80)  
Earn-out liability | $   273     273   2,045
Change in fair value of earn-out liability | $   (1,258) $ (219)   (1,772) $ (404)  
Empower Sponsor Holdings Llc              
Common Stock Warrants And Earn-out Liability [Line Items]              
Earn-out liability | $   $ 273,000     $ 273,000   $ 2,045,000
Empower Sponsor Holdings Llc | Unvested earn-out shares              
Common Stock Warrants And Earn-out Liability [Line Items]              
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares 2,187,500            
Number of tranches | tranche 2            
Empower Sponsor Holdings Llc | Tranche One              
Common Stock Warrants And Earn-out Liability [Line Items]              
Stock issued during period, shares, acquisitions (in shares) | shares       1,093,750      
Stock issued during period, value, acquisitions | $       $ 14,689      
Empower Sponsor Holdings Llc | Tranche Two              
Common Stock Warrants And Earn-out Liability [Line Items]              
Earnout arrangement, maximum term (in years) 7 years            
Public Warrants              
Common Stock Warrants And Earn-out Liability [Line Items]              
Class of warrant or right, outstanding (in shares) | shares 9,999,977            
Private Warrants              
Common Stock Warrants And Earn-out Liability [Line Items]              
Class of warrant or right, outstanding (in shares) | shares 4,666,667            
Private and Public Warrants              
Common Stock Warrants And Earn-out Liability [Line Items]              
Class of warrant or right, number of securities called by each warrant or right (in shares) | shares 1            
Class of warrant or right, exercise price of warrants or rights (in dollars per share) | $ / shares $ 11.50