XML 99 R42.htm IDEA: XBRL DOCUMENT v3.22.1
Patents and Other Intangible Assets - Future amortization expense (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
Patents and Other Intangible Assets  
2022 $ 117
2023 96
2024 74
2025 42
2026 9
Thereafter 11
Finite-Lived Intangible Assets, Net $ 349