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WARRANTS AND STOCK OPTIONS | 6 Months Ended
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Mar. 31, 2022
WARRANTS AND STOCK OPTIONS |
WARRANTS AND STOCK OPTIONS | NOTE F —WARRANTS AND STOCK OPTIONS Warrants The following table summarizes the changes in warrants outstanding. These warrants were granted in lieu of cash compensation for services performed or as financing expenses in connection with the sales of the Company’s Common Stock. Transactions involving warrants (see Note E) are summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Exercise
​ | ​ | Number of | ​ | Price Per
​ |  | Shares |  | Share
Balance at October 1, 2021 |  | 745,268 | ​ | $ | 6.44
Granted |  | 2,962,413 | ​ |  | 2.11
Exercised |  | — | ​ |  | —
Cancelled or expired |  | (719,518) | ​ |  | 6.16
Balance at March 31, 2022 |  | 2,988,163 | ​ | $ | 2.22
​ Stock Options For the six-month period ended March 31, 2022, the Company granted 361,552 options to officers of the Company. These options have a ten-year term and vest immediately. Also, during the six-month period ended March 31, 2022, the Company granted 213,889 options to non-employee board of director members. The options granted to the non-employee board of directors have a ten-year term and vest on the one-year anniversary of the date of grant. The fair value of options granted during the six-month period ended March 31, 2022, was determined using the Black Scholes Option Pricing Model. For the purposes of the valuation model, the Company used the simplified method for determining the granted options expected lives. The simplified method is used since the Company does not have adequate historical data to utilize in calculating the expected term of options. The fair value for options granted during the six-month period ended March 31, 2022 was calculated using the following weighted average assumptions: stock price $5.57; exercise price $5.90; expected term 5.16 years; dividend yield 0; volatility 143%; and risk-free rate of 1.17%. The weighted average grant date fair value per share for the options granted during the six-month period ended March 31, 2022 was $5.90.

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