Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock-based Compensation - Valuation Assumptions (Details)

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Note 6 - Stock-based Compensation - Valuation Assumptions (Details)
6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dividend yield 0.00%  
Expected volatility 52.02%  
Risk-free interest rate 0.87%  
Expected life (in years) (Year) 3 years 6 months  
Vesting period (in years) (Year) 3 years 3 years