XML 95 R79.htm IDEA: XBRL DOCUMENT v3.24.2
Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]    
Total intangible assets subject to amortization, net $ 4,903 $ 4,903
Accumulated amortization (4,903) (4,902)
Total intangible assets, net 0 1
Amortization charge for the year to December 31, 1 4
Patents    
Finite-Lived Intangible Assets [Line Items]    
Total intangible assets subject to amortization, net 2,281 2,281
Accumulated amortization (2,281) (2,281)
License Agreements    
Finite-Lived Intangible Assets [Line Items]    
Total intangible assets subject to amortization, net 1,699 1,699
Accumulated amortization (1,699) (1,698)
Other Intangibles    
Finite-Lived Intangible Assets [Line Items]    
Total intangible assets subject to amortization, net 923 923
Accumulated amortization (923) (923)
Total Intangible Assets Subject to Amortization, Net    
Finite-Lived Intangible Assets [Line Items]    
Total intangible assets subject to amortization, net $ 0 $ 1