Note 12 - Segment and Geographical Information - Summary of Segment Reporting Information, By Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Net Revenue	$ 160,899	$ 161,142
Operating income (loss)	(21,519)	2,042
Goodwill, Impairment Loss	22,708
Property, plant and equipment, net	34,133		$ 37,507
Operating Segments [Member]
Operating income (loss)	3,771	4,670
Segment Reconciling Items [Member]
Goodwill, Impairment Loss	22,708	0
Intangible amortization	2,582	2,628
Americas [Member]
Property, plant and equipment, net	13,282		14,156
Americas [Member] | Operating Segments [Member]
Net Revenue	68,168	63,603
Operating income (loss)	926	865
India and Sri Lanka [Member]
Property, plant and equipment, net	9,689		10,772
India and Sri Lanka [Member] | Operating Segments [Member]
Net Revenue	24,252	28,209
Operating income (loss)	(695)	1,130
Malaysia 1 [Member]
Property, plant and equipment, net	4,018		4,375
Malaysia 1 [Member] | Operating Segments [Member]
Net Revenue	11,885	12,448
Operating income (loss)	1,635	1,444
Middle East [Member]
Property, plant and equipment, net	4,405		4,722
Middle East [Member] | Operating Segments [Member]
Net Revenue	34,517	31,118
Operating income (loss)	1,617	1,257
Argentina and Peru [Member]
Property, plant and equipment, net	1,653		1,701
Argentina and Peru [Member] | Operating Segments [Member]
Net Revenue	10,208	12,584
Operating income (loss)	16	(439)
Rest of World [Member]
Property, plant and equipment, net	1,086		$ 1,781
Rest of World [Member] | Operating Segments [Member]
Net Revenue	11,869	13,180
Operating income (loss)	$ 272	$ 413