Deferred Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Revenue Recognition [Abstract]

Schedule of Deferred Revenue Activity

The following is a summary of the Company’s deferred revenue activity as of June 30, 2018:

(in thousands)	BED				Other Opioid Treatments			Grants			Total
Balance as of December 31, 2017		$	895			$	1,600	$	—		$	2,495
Increase to deferred revenue		—				—		500			500
Recognized as revenue		(108		)		—		(44		)	(152		)
Balance as of June 30, 2018		$	787			$	1,600	$	456		$	2,843

Deferred Revenue, by Arrangement

The remaining $2.1 million was recorded as a long-term liability as of June 30, 2018, as detailed in the following table: 

(in thousands)	BED			Other Opioid Treatments			Grants		Total
Current portion		$	304		$	—	$	456	$	760
Long-term portion		483			1,600		—		2,083
Total		$	787		$	1,600	$	456	$	2,843