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Note 6 - Stockholders' Deficit (Details Textual) - USD ($) |  | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2012 | Dec. 31, 2015 | Dec. 31, 2014 | Feb. 18, 2023 | May 19, 2021 | Oct. 02, 2015 | Oct. 01, 2015 | Dec. 31, 2013 | Mar. 15, 2006
Common Stock [Member] |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 0 | 0 |  |  |  |  |  |
The 2006 Plan [Member] | Employee Stock Option [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 1 year | 180 days |  |  |  |  |  |  |
The 2006 Plan [Member] | Employee Stock Option [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years | 5 years |  |  |  |  |  |  |
The 2006 Plan [Member] | Employee Stock Option [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 2,000,000 |  |  |  |  |  |  |  | 140,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  | 10 years |  |  |  |  |  |  |
The 2006 Plan [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  | 490,000 | 240,000 |  |  |  |  |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |  | $ 1.25 | $ 1 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period |  | 0 | 0 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |  | 292,256 | 782,256 |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options |  | $ 290,985 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |  | 0 |  |  |  |  |  |  |
Employee Stock Option [Member] |  |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense |  | $ 190,751 | $ 85,168 |  |  |  |  |  |
Warrant [Member] |  |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.001 |  |  |  |  |  |  |
Allocated Share-based Compensation Expense |  | $ 287,878 | $ 0 |  |  |  |  |  |
Shares Issued, Price Per Share |  | $ 1 |  |  |  |  |  |  |
Major Stockholder and Chairman [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  | 317,789 | 100,000 |  |  |  |
Major Stockholder and Chairman [Member] |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | $ 1 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Period |  | 10 years |  |  |  |  |  |  |
Class of Warrant or Right, Issued |  | 1,253,367 |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  | 417,789 |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.001 | $ 0.001 |  |  | $ 0.001 |  |  |
Common Stock, Shares Authorized |  | 20,000,000 | 20,000,000 |  |  | 20,000,000 | 10,000,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  | 490,000 | 240,000 |  |  |  |  |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |  | $ 1.25 | $ 1 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |  | 1,707,744 | 1,217,744 |  |  |  |  | 977,744 |
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right |  | 3 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | $ 1 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Period |  | 10 years |  |  |  |  |  |  |

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