Note 10 - Convertible Note - Related Party (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
Oct. 21, 2016	Dec. 31, 2016	Dec. 31, 2015
Proceeds from Convertible Debt	$ 500	$ 530
Debt Instrument, Convertible, Conversion Price	$ 0.55
Debt Instrument, Compel to Convert Option, Minimum Share Price	$ 3
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.01
Warrant, Exercisable Term	180 days
Warrant, Force Redemption Price	$ 0.001
Adjustments to Additional Paid in Capital, Warrant Issued	$ 159	$ 159
Beneficiary Conversion Feature, Fair Value	332
Debt Discount	518
Debt Discount, Warrant	159
Debt Discount, Beneficiary Conversion Feature	329
Debt Discount, Original Issue Discount	30
Debt Issuance Costs, Gross	13
Amortization of Debt Issuance Costs	34	$ 34
Interest Payable	$ 12
Warrant One [Member]
Warrant Term	3 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	265,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.80
Warrant Two [Member]
Warrant Term	3 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	265,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.90
Convertible Debt [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Instrument, Face Amount	$ 530

The estimated fair value of the beneficiary conversion feature.

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The amount of debt discount associated with the issuance of debt.

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The amount of debt discount related to beneficiary conversion feature.

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The amount of debt discount related to original issue discount.

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The amount of debt discount related to fair value of warrant.

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The minimum share price of the company can trigger the compel to convert option.

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The term that warrant will become exercisable.

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The share price of warrant in case of force redemption.

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The term of warrant issued.

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Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.

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Amount of amortization expense attributable to debt issuance costs.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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