Note 4 - Stockholders' Equity (Deficit) (Details Textual) | | | 9 Months Ended | 12 Months Ended | | |
Aug. 11, 2022 shares | Jan. 04, 2022 shares | Sep. 30, 2022 USD ($) $ / shares shares | Sep. 30, 2022 USD ($) $ / shares shares | Dec. 31, 2021 $ / shares shares | Jan. 07, 2022 USD ($) | Dec. 31, 2020 shares |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | | | $ 0.001 | $ 0.001 | | | |
Common Stock, Shares Authorized (in shares) | | | 100,000,000 | 100,000,000 | 100,000,000 | | |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | | | $ 0.001 | $ 0.001 | $ 0.001 | | |
Conversion of Stock, Shares Converted (in shares) | | | | 3,269,998 | | | |
Treasury Stock, Value, Acquired, Cost Method | $ | | | | $ 1,065,216 | | | |
Common Stock [Member] | Third-party Service Provider [Member] | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 36,000 | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) | 3,000 | | | | | | |
Stock Repurchase Plan [Member] | | | | | | | |
Stock Repurchase Program, Authorized Amount | $ | | | | | | $ 2,500,000 | |
Treasury Stock, Shares, Acquired (in shares) | | | 615,748 | | | | |
Treasury Stock, Value, Acquired, Cost Method | $ | | | $ 1,065,216 | | | | |
Share-Based Payment Arrangement, Nonemployee [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 86,387 | | | | | |
Class of Warrant or Right, Cashless Exercise During Period, Shares (in shares) | | 120,000 | | | | | |
One for Five Share Basis [Member] | | | | | | | |
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) | | | 5 | 5 | | | |
One for Three Point ThreeShare Basis [Member] | | | | | | | |
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) | | | 3.3 | 3.3 | | | |
One for Two Point Five Share Basis [Member] | | | | | | | |
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) | | | 2.5 | 2.5 | | | |
One For One Point Seven Five Share Basis [Member] | | | | | | | |
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) | | | 1.75 | 1.75 | | | |
One For One Share Basis [Member] | | | | | | | |
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) | | | 1 | 1 | | | |
Total Preferred Stock [Member] | | | | | | | |
Preferred Stock, Shares Authorized (in shares) | | | 10,000,000 | 10,000,000 | | | |
Series A Preferred Stock [Member] | | | | | | | |
Preferred Stock, Shares Authorized (in shares) | | | 5,000,000 | 5,000,000 | 5,000,000 | | |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | | | $ 0.001 | $ 0.001 | $ 0.001 | | |
Preferred Stock, Number of Votes Per Share | | | 100 | 100 | | | |
Conversion of Stock, Shares Converted (in shares) | | | | | 1,730,002 | | |
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) | | | | | | | 1 |
Series A Preferred Stock [Member] | Maximum [Member] | One for Five Share Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | $ 150,000,000 | $ 150,000,000 | | | |
Series A Preferred Stock [Member] | Maximum [Member] | One for Three Point ThreeShare Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | 200,000,000 | 200,000,000 | | | |
Series A Preferred Stock [Member] | Maximum [Member] | One for Two Point Five Share Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | 250,000,000 | 250,000,000 | | | |
Series A Preferred Stock [Member] | Maximum [Member] | One For One Point Seven Five Share Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | 350,000,000 | 350,000,000 | | | |
Series A Preferred Stock [Member] | Minimum [Member] | One for Three Point ThreeShare Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | 150,000,000 | 150,000,000 | | | |
Series A Preferred Stock [Member] | Minimum [Member] | One for Two Point Five Share Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | 200,000,000 | 200,000,000 | | | |
Series A Preferred Stock [Member] | Minimum [Member] | One For One Point Seven Five Share Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | 250,000,000 | 250,000,000 | | | |
Series A Preferred Stock [Member] | Minimum [Member] | One For One Share Basis [Member] | | | | | | | |
Market Capitalization, Conversion Threshold, Value | $ | | | $ 350,000,000 | $ 350,000,000 | | | |