The closing price of common stock that would allow the callability of warrants.

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Represents information about percentage in which outstanding balance of convertible note can be increased by lender.

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Represents the market price represented as percentage of lowest closing bid price during 20 trading Days.

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Represents the redeemed amount of convertible debt per month.

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Amount of original issue discount under debt instrument agreement.

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The amount of unamortized discount including original issue discount of the debt instrument.

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Represents the amount of deferred finance costs excluding transaction fees.

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Represents redeeming of convertible note every month.

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Repayments amount of repayment of convertible debt against convertible note outstanding balance.

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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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Aggregate number of common shares reserved for future issuance.

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Amount of assets pledged to secure a debt instrument.

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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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Amount of the fee that accompanies borrowing money under the debt instrument.

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The average effective interest rate during the reporting period.

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

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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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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The cash outflow from the repayment 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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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Note 10 - Convertible Note (Details Textual) - USD ($)			3 Months Ended		12 Months Ended
Note 10 - Convertible Note (Details Textual) - USD ($)	Aug. 08, 2019	Mar. 26, 2019	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Aug. 31, 2019	Oct. 27, 2015
Proceeds from Convertible Debt					$ 2,000,000
Embedded Derivative, Fair Value of Embedded Derivative Liability			$ 3,000		3,000
Derivative, Gain (Loss) on Derivative, Net, Total					424,000
Stock Issued During Period, Shares, New Issues	4,198,566			4,198,566
Shares Issued, Price Per Share	$ 1								$ 5
Repayments of Convertible Debt					652,000
Warrant Exercisable for Common Stock [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	4,198,566
The 2019 Domestic Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	4,198,566							4,198,566
Common Stock, Closing Price	$ 2
Iliad Research and Trading, L.P. [Member]
Payments for Redeeming of Convertible Note, Per Month			200,000
Repayments of Convertible Debt					800,000
Repayments of Convertible Debt, Against Outstanding Balance					652,000
Iliad Research and Trading, L.P. [Member] \| Secured Convertible Promissory Note [member]
Debt Instrument, Face Amount		$ 2,200,000	$ 1,563,000		$ 1,563,000
Debt Instrument, Interest Rate, Stated Percentage		10.00%
Proceeds from Convertible Debt		$ 2,000,000
Debt Instrument, Original Issue Discount		200,000
Debt Instrument, Fee Amount		15,000
Deferred Finance Costs Excluding Transaction Fees		$ 182,000
Debt Instrument, Convertible, Conversion Price		$ 1.65
Debt Instrument, Convertible, Redeemed Amount Per Month		$ 200,000		$ 200,000
Debt Instrument, Convertible, Market Price, Percentage of Lowest Closing Bid Price		85.00%
Debt Instrument, Redemption Price, Percentage		115.00%
Common Stock, Capital Shares Reserved for Future Issuance		3,200,000
Debt Instrument, Collateral Amount		$ 1,000,000
Debt Instrument, Convertible, Increase in Outstanding Balance, Percentage		15.00%
Debt Instrument, Unamortized Discount, Including Original Issue Discount, Total		$ 627,000
Debt Issuance Cost, Gross, Noncurrent		$ 197,000
Debt Instrument, Interest Rate During Period					52.67%
Interest Expense, Debt, Total					$ 831