Revenue Concentrations, Significant Customers And Geographic Areas (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Schedule of Sales By Geographic Area

Export sales by geographic area are summarized as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2016		2015		2016		2015
Americas	$	29	$	201	$	770	$	269
Europe	5,756		2,871		9,871		5,591
Asia	9,262		4,327		20,647		8,353
Other	19		144		34		241
Total export sales	$	15,066	$	7,543	$	31,322	$	14,454