Segment Information

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

SEGMENT INFORMATION

9. SEGMENT INFORMATION

The Company has determined that it operates in two segments, the sapphire and pharmacy business.

Revenue is attributed by geographic region based on ship-to location of the Company's customers. The following table summarizes revenue by geographic region:

	Three months ended March 31,
	2020		2019
	(in thousands)
North America	$	1,040	$	862
Asia		113		48
Other		7		10
Total revenue	$	1,160	$	920

The following table summarizes sales by product type:

	Three months ended March 31,
	2020		2019
	(in thousands)
Optical	$	1,027	$	910
Core		—		10
Rubicon DTP		133		—
Total revenue	$	1,160	$	920

The following table summarizes assets by geographic region:

	As of March 31,		As of December 31,
	2020			2019
	(in thousands)
United States	$	26,105		$	29,703
Malaysia		4,992			5,094
Other		4			4
Total assets	$	31,101		$	34,801

Rubicon DTP accounted for approximately $119,000 of the Company's loss for the three months ended March 31, 2020. The Company established Rubicon DTP in May 2019.