Note 6 - Stockholders' Equity (Details Textual) - $ / shares		3 Months Ended	12 Months Ended
Feb. 14, 2018	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2019
Preferred Stock, Shares Authorized		1,000,000		1,000,000
Preferred Stock, Shares Issued, Total		0		0
Common Stock, Shares Authorized		125,000,000		125,000,000
Common Stock, Shares, Issued, Total		33,870,520		33,870,520
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance				525,667
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance		$ 0.15		$ 0.15
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		0	0
Percentage of Voting Securities		85.00%
Preferred Stock, Shares Outstanding, Ending Balance		0		0
Common Stock, Shares, Outstanding, Ending Balance		33,870,520		33,870,520
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number		525,667
The 2018 Equity Incentive Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance		4,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		0		0
Reverse Acquisition [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	29,236,759

The percentage of voting securities owned by group.

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Number of shares of equity interests issued or issuable to acquire entity.

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Aggregate number of common shares reserved for future issuance.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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