Accounts Receivable	3 Months Ended
	Mar. 31, 2022
Receivables [Abstract]
Accounts Receivable	Accounts Receivable    As of March 31, 2022 and December 31, 2021, the Company had accounts receivable of $4.5 million and $13.3 million respectively, which primarily relates to royalty revenue from sales of NARCAN® and billings to BARDA.