Note 3 - Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Goodwill	$ 183,397		$ 183,397
Goodwill	183,397	$ 219,341	219,341
Impairment	0	$ (22,708)	(35,944)
Americas [Member]
Goodwill	64,315		64,315
Goodwill	64,315
INDIA
Goodwill	12,554		12,554
Goodwill	12,554
Malaysia 1 [Member]
Goodwill	47,543		47,543
Goodwill	47,543
SAUDI ARABIA
Goodwill	54,840		54,840
Goodwill	54,840
SOUTH AFRICA
Goodwill	0		0
Goodwill	0
Argentina 1 [Member]
Goodwill	0		0
Goodwill	0
AUSTRALIA
Goodwill	4,145		$ 4,145
Goodwill	$ 4,145

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266

Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration