Note R - Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Revenue from External Customers by Geographic Areas [Table Text Block]

	For the Years ended December 31,
	2019		2018		2017
Revenues:
United States	$	9,795	$	10,795	$	18,209
Taiwan		97,776		113,547		241,820
China		83,301		143,123		122,300
	$	190,872	$	267,465	$	382,329

Long-lived Assets by Geographic Areas [Table Text Block]

	As of December 31,
	2019		2018		2017
Long-lived assets:
United States	$	94,507	$	88,815	$	75,446
Taiwan		73,816		65,451		67,379
China		97,687		89,736		59,929
	$	266,010	$	244,002	$	202,754