Note 13 - Segment and Geographical Information - Summary of Segment Reporting Information, By Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenue	$ 92,089	$ 101,092
Operating income (loss)	2,356	1,833
Private offer transaction cost	0	(500)
Property, plant and equipment, net	22,784		$ 22,945
Operating Segments [Member]
Operating income (loss)	4,917	4,894
Segment Reconciling Items [Member]
Intangible amortization	(2,561)	(2,561)
Americas [Member]
Property, plant and equipment, net	8,912		9,718
Americas [Member] | Operating Segments [Member]
Revenue	44,477	45,415
Operating income (loss)	2,125	(2,319)
India and Sri Lanka [Member]
Property, plant and equipment, net	9,465		8,340
India and Sri Lanka [Member] | Operating Segments [Member]
Revenue	23,247	27,961
Operating income (loss)	238	3,467
Malaysia 1 [Member]
Property, plant and equipment, net	2,208		2,390
Malaysia 1 [Member] | Operating Segments [Member]
Revenue	10,582	11,280
Operating income (loss)	2,890	2,026
AUSTRALIA
Property, plant and equipment, net	729		829
Middle East [Member] | Operating Segments [Member]
Revenue	8,988	9,480
Operating income (loss)	560	1,101
SOUTH AFRICA
Property, plant and equipment, net	1,322		1,508
Argentina and Peru [Member] | Operating Segments [Member]
Revenue	4,766	6,190
Operating income (loss)	227	1,178
Rest of World [Member]
Property, plant and equipment, net	148		$ 160
Rest of World [Member] | Operating Segments [Member]
Revenue	29	766
Operating income (loss)	$ (1,123)	$ (559)