Company Operations by Product, Customer and Geographic Area (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Revenue from External Customers by Product and Services

The following table presents a summary of total revenues by these products for the twelve months ended December 31, 2018, 2017, and 2016: 

Revenue by Product:	2018		2017		2016
Bloxiverz	$	20,850	$	45,596	$	82,896
Vazculep	42,916		38,187		39,796
Akovaz	33,759		80,617		16,831
Noctiva	1,204		—		—
Other	2,694		8,441		7,699
Total product sales	101,423		172,841		147,222
License revenue	1,846		404		3,024
Total revenues	$	103,269	$	173,245	$	150,246

Schedule of Revenue by Major Customers by Reporting Segments

The following table presents a summary of total revenues by significant customer for the twelve months ended December 31, 2018, 2017, and 2016: 

Revenue by Significant Customer:	2018		2017		2016
Customer A	$	26,794	$	44,762	$	51,648
Customer B	25,413		37,965		39,359
Customer C	18,620		25,691		30,916
Customer D	9,653		53,342		17,728
Others	20,943		11,081		7,571
Total product sales	101,423		172,841		147,222
License revenue	1,846		404		3,024
Total revenues	$	103,269	$	173,245	$	150,246

Revenue from External Customers by Geographic Areas

The following table summarizes revenues by geographic region for the twelve months ended December 31, 2018, 2017, and 2016:

Revenue by Geographic Region:	2018		2017		2016
United States	$	101,423	$	172,841	$	147,283
Ireland	1,846		404		2,963
Total revenues	$	103,269	$	173,245	$	150,246

Long-lived Assets by Geographic Areas

ep and Noctiva and two contract manufacturing organizations for the manufacture of Akovaz, from which we derive a ma