Revenue by Product (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, Revenue by Product

The following table presents a summary of total product sales by these products: 

	Three Months Ended September 30,				Nine Months Ended September 30,
Product Sales by Product:	2020		2019		2020		2019
Bloxiverz	$	—	$	1,466	$	2,201	$	6,392
Vazculep	—		8,786		10,429		27,669
Akovaz	—		4,208		9,545		13,946
Other	—		(231)		159		213
Total product sales	$	—	$	14,229	$	22,334	$	48,220