The increase to maximum offering size for a registered direct offerings.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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

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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 9 - Subsequent Events (Details Textual) - USD ($)											12 Months Ended
Note 9 - Subsequent Events (Details Textual) - USD ($)	Mar. 18, 2020	Mar. 12, 2020	Feb. 21, 2020	Feb. 19, 2020	Jan. 25, 2020	Jan. 23, 2020	Jan. 21, 2020	Jan. 01, 2020	Nov. 22, 2019	Jan. 01, 2019	Dec. 31, 2019	Dec. 31, 2018
Proceeds from Issuance of Common Stock											$ 1,267,194	$ 15,389,518
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross											1,744,300	2,034,525
Registered Direct Offering [Member]
Stock Issued During Period, Shares, New Issues									3,167,986		3,167,986
Shares Issued, Price Per Share									$ 0.40
Proceeds from Issuance of Common Stock									$ 1,093,000		$ 1,267,194
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross					40,000
Subsequent Event [Member] \| Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		1,090,000
Subsequent Event [Member] \| Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	35,325
Subsequent Event [Member] \| Registered Direct Offering [Member]
Registered Direct Offerings, Maximum Offering Size, Increase				$ 3,000,000
Subsequent Event [Member] \| Registered Direct Offering [Member] \| Accredited Investor [Member]
Stock Issued During Period, Shares, New Issues							961,000
Shares Issued, Price Per Share							$ 0.24
Proceeds from Issuance of Common Stock							$ 200,000
Subsequent Event [Member] \| Registered Direct Offering [Member] \| Investors [Member]
Stock Issued During Period, Shares, New Issues			5,000,000			7,620,000
Shares Issued, Price Per Share			$ 3.50			$ 1.05
Proceeds from Issuance of Common Stock			$ 16,000,000			$ 7.20
The 2018 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized										761,957
The 2018 Equity Incentive Plan [Member] \| Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized								963,192