Revenue Concentrations, Significant Customers And Geographic Areas (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Summary Of Revenue By Product Line

The following summarizes our revenue by product line:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2021		2020		2021		2020
High Precision 3D and 2D Sensors	$	7,131	$	4,745	$	13,488	$	8,867
Inspection and Metrology Systems		12,581		7,661		18,920		16,022
Semiconductor Sensors		5,492		3,590		10,528		7,536
Total	$	25,204	$	15,996	$	42,936	$	32,425

Schedule of Sales By Geographic Area

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2021		2020		2021		2020
Americas	$	741	$	97	$	1,524	$	497
Europe		3,017		2,369		6,518		4,472
China		8,545		3,954		13,709		7,834
Taiwan		943		763		1,673		2,479
Other Asia		7,541		5,449		11,683		9,129
Other		428		742		577		742
Total export sales	$	21,215	$	13,374	$	35,684	$	25,153