Note 14 - Capital Stock - Net Proceeds Allocation (Details) - September 2020 Offering [Member] $ in Thousands	Sep. 23, 2020 USD ($)
Fair Value of Shares	$ 13,446
Proceeds from Issuance or Sale of Equity, Total	15,000
Share Issuance Costs - Cash	(878)
Net Cash Proceeds Received	14,122
Proceeds from Issuance or Sale of Equity, Net	14,122
Warrant Issued with September 2020 Offering [Member]
Fair Value of Share Purchase Warrants	1,446
Share Purchase Warrants	1,519
Common Stock [Member]
Fair Value of Shares	12,000
Shares	$ 12,603

The cash inflow from the issuance of equity net of stock issuance costs.

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Fair value of the entity's equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 230
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