Segment Information

3 Months Ended

Mar. 31, 2021

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,
	2021		2020
	(in thousands)
North America	$	588	$	1,040
Asia		139		113
Other		2		7
Total revenue	$	729	$	1,160

The following table summarizes sales by product type:

	Three months ended March 31,
	2021		2020
	(in thousands)
Optical	$	495	$	1,027
Rubicon DTP		234		133
Total revenue	$	729	$	1,160

As of March 31, 2021 and December 31, 2020, the Company held all of its assets in the United States.

Direct Dose Rx accounted for a loss of approximately $95,000 and $119,000 for the three months ended March 31, 2021 and 2020, respectively.

Direct Dose Rx assets are currently not material to the consolidated financial information of the Company and therefore there is limited disclosure relating specifically to them.