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Note 18 - Income Tax - Gross Operating Loss Carryforwards (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Domestic Tax Authority [Member] | Canada Revenue Agency [Member]
Gross net operating loss carry forward	$ 16,525	$ 16,249
Gross net operating loss not recognized	24	27
Net operating loss carry foward	16,501	16,222
Domestic Tax Authority [Member] | Canada Revenue Agency [Member] | Capital Loss Carryforward [Member]
Gross capital loss carry forward	1,864	2,208
Gross capital loss not recognized	1,758	1,869
Net capital loss carry forward	106	339
Foreign Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Gross net operating loss carry forward	3,144	1,315
Gross net operating loss not recognized	922	921
Net operating loss carry foward	2,222	394
Foreign Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Capital Loss Carryforward [Member]
Gross capital loss carry forward	1,698	1,698
Gross capital loss not recognized	1,698	1,698
Net capital loss carry forward
Foreign Tax Authority [Member] | Other Foreign Tax Authorities [Member]
Gross net operating loss carry forward	40,006	39,147
Gross net operating loss not recognized	21,476	27,363
Net operating loss carry foward	18,530	11,784
Foreign Tax Authority [Member] | Other Foreign Tax Authorities [Member] | Capital Loss Carryforward [Member]
Gross capital loss carry forward	6,271	6,285
Gross capital loss not recognized	6,271	6,285
Net capital loss carry forward

X

- Definition

The gross amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

No definition available.

+ Details

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- Definition

The unrecognized amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

No definition available.

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- Definition

The gross amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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- Definition

The unrecognized amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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