v3.22.2.2
Intangible Assets (Tables)
 12 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets The following table presents the components of intangible asset:
Gross Carrying AmountAccumulated AmortizationImpairmentNet Carrying AmountUseful Lives
(amounts in thousands)(in years)
As of September 30, 2022
Patents$21,728 $11,770 $— $9,958 14
License3,129 1,125 — 2,004 21
Total intangible assets, net$24,857 $12,895 $— $11,962 
As of September 30, 2021
Patents$21,728 $10,217 $— $11,511 14
License3,129 977 — 2,152 21
Total intangible assets, net$24,857 $11,194 $— $13,663 
Schedule of Intangible Assets Future Amortization Expense
The following table presents the estimated future amortization expense related to intangible assets as of September 30, 2022:
Amortization Expense
Year Ending September 30, (in thousands)
2023$1,700 
20241,700 
20251,700 
20261,700 
20271,700 
Thereafter3,462 
Total$11,962