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Accounts Receivable	6 Months Ended
Accounts Receivable	Jun. 30, 2019
Receivables [Abstract]
Accounts Receivable	Accounts Receivable As of June 30, 2019, the Company had accounts receivable of $4.3 million, which relates to royalty revenue from the sales of NARCAN®. As of December 31, 2018 the Company had accounts receivable of $4.5 million, which relates to royalty revenue from the sales of NARCAN®.