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Note 10 - Fixed Assets - Components of Fixed Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Cost	$ 358,246	$ 307,209
Accumulated depreciation	229,025	200,012
Net	129,221	107,197
Building [Member]
Cost	2,558	2,521
Accumulated depreciation	1,321	1,178
Net	1,237	1,343
Vehicles [Member]
Cost	8,539	2,563
Accumulated depreciation	2,505	1,628
Net	6,034	935
Furniture and Fixtures [Member]
Cost	82,117	66,338
Accumulated depreciation	53,353	48,194
Net	28,764	18,144
Computer Equipment [Member]
Cost	151,246	139,685
Accumulated depreciation	114,429	101,532
Net	36,817	38,153
Leasehold Improvements [Member]
Cost	113,786	96,102
Accumulated depreciation	57,417	47,480
Net	$ 56,369	$ 48,622

X

- Definition

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Publisher FASB
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-Section 50
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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-Subparagraph (a)
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- Definition

Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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