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Note 8 - Fixed Assets - Components of Fixed Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Cost	$ 189,765	$ 179,948
Accumulated depreciation	124,491	117,395
Fixed assets (note 8)	65,274	62,553
Building [Member]
Cost	1,483	1,365
Accumulated depreciation	805	771
Fixed assets (note 8)	678	594
Vehicles [Member]
Cost	1,500	1,556
Accumulated depreciation	886	884
Fixed assets (note 8)	614	672
Furniture and Fixtures [Member]
Cost	42,753	41,535
Accumulated depreciation	29,659	28,565
Fixed assets (note 8)	13,094	12,970
Computer Equipment [Member]
Cost	86,333	82,576
Accumulated depreciation	62,878	59,215
Fixed assets (note 8)	23,455	23,361
Leasehold Improvements [Member]
Cost	57,696	52,916
Accumulated depreciation	30,263	27,960
Fixed assets (note 8)	$ 27,433	$ 24,956

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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+ References

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