v3.22.4
Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Intangible Assets
The following is a summary of the Company’s intangible assets as of December 31, 2022:
  December 31, 2022
(in thousands)Estimated
Useful Life		Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
HETLIOZ®
March 2035$33,000 $14,435 $18,565 
The following is a summary of the Company’s intangible assets as of December 31, 2021:
  December 31, 2021
(in thousands)Estimated
Useful Life		Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
HETLIOZ®
July 2035$33,000 $12,919 $20,081 
Summary of Amortization Expense Amortization expense for the years ended December 31, 2022, 2021 and 2020 was as follows:
 Year Ended December 31,
(in thousands)202220212020
HETLIOZ®
$1,516 $1,478 $1,478 
Summary of Future Intangible Asset Amortization
The following is a summary of the future intangible asset amortization schedule as of December 31, 2022:
(in thousands)Total20232024202520262027Thereafter
HETLIOZ®
$18,565 $1,516 $1,516 $1,516 $1,516 $1,516 $10,985