v3.22.2.2
Note 10 - Stockholders' Equity (Deficit) (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]
  

Assumptions

 

Common stock value

 $2.25 

Expected life (in years)

  3 

Risk-free interest rate

  0.28

%

Expected dividend yields

  0

%

Volatility

  126

%