Annual report pursuant to Section 13 and 15(d)

Marketable Securities (Additional Information) (Details)

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Marketable Securities (Additional Information) (Details)
$ in Thousands
 12 Months Ended
Dec. 30, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Class of Stock [Line Items]    
Unrealized loss on marketable securities | $ $ 926 $ 631
SPYR Technologies Inc.    
Class of Stock [Line Items]    
Securities received (in shares)   30,000,000
Series G Convertible Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, conversion ratio 0.00001  
Securities received (in shares) 9,224 0
Common Share Equivalent    
Class of Stock [Line Items]    
Securities received (in shares) 922,442,000 30,000,000
Shares issuable upon conversion (in shares) 922,400,000