Revenue Concentrations, Significant Customers And Geographic Areas (Tables)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Summary of Revenue By Product Line

The following summarizes our revenue by product line:

	Three Months Ended March 31,
(In thousands)	2022		2021
High Precision 3D and 2D Sensors	$	8,061	$	6,357
Inspection and Metrology Systems		9,428		6,339
Semiconductor Sensors		6,757		5,036
Total	$	24,246	$	17,732

Schedule of Sales By Geographic Area

	Three Months Ended March 31,
(In thousands)	2022		2021
Americas	$	707	$	783
Europe		3,186		3,500
China		8,863		5,163
Taiwan		1,012		730
Other Asia		6,729		4,143
Other		26		148
Total export sales	$	20,523	$	14,467