Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the statement of financial position that sum to the total of the same amounts shown in the statement of cash flows:

	December 31, 2021				December 31, 2020
(In thousands)	Beginning of period		End of period		Beginning of period		End of period
Cash and cash equivalents	$	71,369	$	45,634	$	62,085	$	71,369
Restricted cash		12,917		13,400		12,836		12,917
Restricted cash-non current		18,609		6,189		30,270		18,609
Total Cash, cash equivalents and restricted cash per statement of cash flows	$	102,895	$	65,223	$	105,191	$	102,895

Schedule of Major Classes of Inventory

The following table provides the major classes of inventory:

(In thousands)	December 31, 2021		December 31, 2020
Raw materials	$	3,338	$	3,434
Work-in-progress		—		6,602
Finished goods		15,210		18,641
Total	$	18,548	$	28,677

Disaggregation of Revenue

The following table disaggregates the Company’s revenues by major source (in thousands):

	Year ended December 31,		Year ended December 31,
(In thousands)	2021		2020
Revenues:
Net product revenues:
Ampyra	$	84,555	$	98,887
Inbrija		29,634		24,233
Other		—		1,711
Total net product revenues		114,189		124,831
Milestone revenues		—		15,000
Royalty revenues		14,882		13,136
Total net revenues	$	129,071	$	152,967

Summary of Allowance for Cash Discounts

(in thousands)	Cash discounts
Balance at December 31, 2019	$	412
Allowances for sales	$	954
Actual credits	$	(791	)
Balance at December 31, 2020	$	575
Allowances for sales		1,992
Actual credits		(1,787	)
Balance at December 31, 2021	$	780