Note 16 - The Financing and Warrant Liabilities - Allocation of Gross Proceeds From the Financing (Details) - Private Placement [Member] - USD ($) $ in Thousands		12 Months Ended
Jan. 17, 2018	Dec. 31, 2018
Investor warrants		$ 1,890
Common Stock (par value and additional paid-in capital)		9,183
Total proceeds from the 2018 Financing	$ 11,100	$ 11,073

The cash inflow from the additional capital contribution to the entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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