v3.25.0.1
Intangible Assets (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Intangible Assets      
Gross Carrying Amount     $ 6,451
Accumulated Amortization     (6,191)
Total finite-lived intangible assets     260
Gross amount     20,721
Accumulated impairment loss     (20,721)
Amortization expense $ 33 $ 33 $ 1,823
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]   Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)  
Developed technology      
Intangible Assets      
Weighted Average Useful Life (years)     10 years
Gross Carrying Amount     $ 5,989
Accumulated Amortization     (5,805)
Total finite-lived intangible assets     $ 184
Trademarks/Tradenames      
Intangible Assets      
Weighted Average Useful Life (years)     10 years
Gross Carrying Amount     $ 462
Accumulated Amortization     (386)
Total finite-lived intangible assets     76
In-process research and development      
Intangible Assets      
Total Indefinite-lived intangible assets     $ 0
Impairment of long-lived assets   $ 200